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Live Quiz for Nucleic Acids

Total questions: 250

Worksheet time: 3hrs 1mins

Name
Class
Date
1.

Which nucleotide is found in RNA but not in DNA?

a)

Uracil

b)

Guanine

c)

Cytosine

d)

Adenine

2.

Which nucleotide is found in DNA but not in RNA?

a)

Uracil

b)

Guanine

c)

Cytosine

d)

Thymine

3.
What is the shape of DNA called?
a)
helix
b)
nucleotide
c)
helicase
d)
double helix
4.
This is the smallest subunit of DNA called a(n):
a)
amino acid
b)
monosaccharide
c)
nucleotide
d)
nitrogenous base
5.

Yellow (#1) is a______________.

a)
sugar
b)
nucleotide
c)
phosphate group
d)
nitrogenous base
6.

Red (#2) is a______________.

a)
sugar
b)
phosphate group
c)
nucleotide
d)
nitrogenous base
7.

Green (#3) is a______________.

a)
phosphate group
b)
sugar
c)
nucleotide
d)
nitrogenous base
8.

Green (#3) is a______________.

a)
purine
b)
pyrimidine
9.

These bonds between the bases hold the two strands of DNA together

a)
covalent
b)
hydrogen
c)
ionic
d)

resilient

10.
If there is 15% Guanine in a DNA sample how much Cytosine is there?
a)
15%
b)
20%
c)
30%
d)
35%
11.
DNA and RNA have these things in common; check all that apply
a)
adenine
b)
guanine
c)
cytosine
d)
deoxyribose sugar
e)
thymine
12.
Why is DNA important?
a)

It is the biggest molecule in the human body

b)

It is stored in the nucleus

c)

It contains the instructions for building all the proteins cells need to do their work

d)

It transfers and stores energy

13.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
14.
RNA contains the sugar
a)
ribose
b)
deoxyribose
c)
glucose
d)
lactose
15.
Which of the following statements is true?
a)
DNA is single-stranded
b)
RNA is single-stranded
c)
DNA contains uracil
d)
RNA contains deoxyribose
16.

Humans have [FILL IN]

a)

46 pairs of chromosomes

b)

23 pairs of chromosomes

c)

78 chromosomes

d)

39 pairs of chromosomes

17.

A gene is

a)

a short segment of DNA in a chromosome

b)

all the DNA in an organism

c)

what DNA is organized into

18.

The genome of an organism is

a)

a short segment of DNA in a chromosome

b)

all the DNA in an organism

c)

what DNA is organized into

19.

The bond between G and C bases is [FILL IN] the bond between A and T bases.

a)

weaker than

b)

the same strength as

c)

stronger than

20.

Chromosomes are

a)

a short segment of DNA in a chromosome

b)

all the DNA in an organism

c)

what DNA is organized into

21.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
22.

How does RNA differ from DNA (what things does it have that DNA does not)?

a)

RNA contains uracil and deoxyribose; it is double stranded

b)

RNA contains ribose and thymine; it is single stranded

c)

RNA contains uracil and ribose; it is single stranded

d)

RNA contains uracil and ribose; it is double-stranded

23.

Which is the correct order from smallest to largest?

a)

Genome, Chromosome, Gene, Nucleotide

b)

nucleotide, gene, chromosome, genome

c)

gene, nucleotide, chromosome, genome

d)

genome, nucleotide, gene, chromosome

24.

What part of a nucleotide is this?

a)

nitrogenous base

b)

sugar

c)

phosphate group

25.

What part of a nucleotide is this?

a)

nitrogenous base

b)

sugar

c)

phosphate group

26.

What part of a nucleotide is this?

a)

nitrogenous base

b)

sugar

c)

phosphate group

27.
The sugar in DNA is ____________________.
a)
deoxyribose
b)
ribose
28.

The names of sugars often end in

a)

-ose

b)

-ase

c)

-ize

d)

-esis

29.

The names of enzymes often end in

a)

-ose

b)

-ase

c)

-ize

d)

-esis

30.

The sugars in nucleotides are called "pentose" because

a)

They are carbohydrate molecules

b)

They have 5 carbons (ring with five sides)

c)

They are monomers

d)

They can only have one shape

31.

The organic molecules that store and transmit hereditary and genetic information are
_____________.

a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
32.

What is "A"?

a)

Nucleotide

b)

Deoxyribose Sugar

c)

Nitrogenous base

d)

Phosphate

33.

What is "B"?

a)

Nucleotide

b)

Deoxyribose Sugar

c)

Nitrogenous base

d)

Phosphate

34.

What is "C"?

a)

Nucleotide

b)

Deoxyribose Sugar

c)

Nitrogenous base

d)

Phosphate

35.

What is the molecule in the image?

a)

Nucleotide

b)

Deoxyribose Sugar

c)

Nitrogenous base

d)

Phosphate

36.

What do the dotted lines between the nitrogenous bases (A,T,C,G) represent in the image provided?

a)

Covalent bonds

b)

Ionic bonds

c)

Peptide bonds

d)

Hydrogen bonds

37.

What is bonded to Adenine in the image to form a section of the DNA molecule?

a)

Guanine and Phosphate group

b)

Cytosine and Deoxyribose sugar

c)

Thymine and Deoxyribose sugar

d)

Deoxyribose sugar and Phosphate group

38.
Which of the following best describes a DNA molecule?
a)

double strand

b)

single strand

c)
made of amino acids
d)

contains uracil

39.

Where do we find DNA?

a)

in the nucleus of cells

b)

in the ribosomes

c)

in the endoplasmic reticulum

40.

What are the four bases found in DNA?

a)

U, A, T, B

b)

B, O, A, T

c)

A, G, C, T

d)

U, V, W, X

41.

Which bases pair together?

a)

A--> T, C--> G

b)

A --> G, C --> T

c)

A--> C, G --> T

42.

DNA's Shape is known as a

a)

A Ladder

b)

A Double Helix

c)

A Single Helix

d)

A Backbone

43.
In a strand of DNA, if it contains 20% of Thymine, then how much Guanine would be present?
a)
30%
b)
20%
c)
80%
d)
10%
44.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
45.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
46.

Which complementary base pairing is stronger, and why?

a)

A-T, because it uses covalent bonding

b)

C-G, because it uses hydrogen bonding

c)

C-G because there are three hydrogen bonds holding the bases together

d)

A-T pairing and C-G pairing are the same strength

47.

What is the function of mRNA?

a)

carry DNA's instructions to the ribosome

b)

transport amino acids to ribosome

c)

unknown

d)

make a message of DNA

48.
In Eukaryotic cells, where is DNA ALWAYS located?
a)
Cytoplasm
b)
Nucleus
c)
Outside of the cell
d)
DNA is always moving around
49.

What nucleotide base can only be found in RNA?

a)

uracil

b)

guanine

c)

thyamine

d)

cytosine

50.
The major function of ribosomes is to
a)
Make fats
b)
Synthesize protein
c)
Digest protein
d)
Make sugars
51.
Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
52.
What does mRNA do?
a)
provides information from DNA to ribosomes
b)
transfers amino acids to the ribosomes
c)
makes up ribosomes
d)
builds proteins
53.
What is the process that copies information from DNA into RNA?
a)
protein synthesis
b)
transcription
c)
translation
d)
DNA Polymerase
54.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
55.
I include the bases Guanine, Cytosine, Adenine and Uracil .
a)
DNA
b)
RNA
56.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
57.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
58.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

59.

Which RNA carries the message?

a)

mRNA

b)

rRNA

c)

tRNA

60.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
61.

Why must transcription occur where DNA can be found?

a)

because DNA can't leave

b)

because ribosomes are in the nucleus

c)

because DNA polymerase is found there

d)

because helicase unzips the DNA

62.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

63.
Which of the following is the template for the production of RNA within a cell?
a)
DNA
b)
protein
c)
ATO
d)
carbohydrate
64.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

65.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

66.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
67.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
68.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
69.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
70.

DNA holds the code for making

a)

lipids

b)

carbohydrates

c)

proteins

d)

sugars

71.
The main function of tRNA is to...
a)
carry a message that, when translated, forms proteins
b)
form a portion of ribosomes
c)
string together complementary RNA and DNA strands
d)
bring amino acids from the cytoplasm to the ribosomes
72.
DNA travels outside of the nucleus.
a)
true
b)
false
73.
How many bases are in one codon?
a)
1
b)
2
c)
3
d)
4
74.
The two strands of a DNA molecule are held together by ________ bonds between their base pairs.
a)
covalent
b)
hydrogen
c)
ionic
d)
peptide
75.
If a segment of double-stranded DNA has 40 percent A, how much of it is C?
a)
40
b)
10
c)
15
d)
20
76.
What will be the resulting mRNA from this DNA sequence:
GAT-TAC-AGA-TTA-CAT?
a)
CTA-ATG-TCT-AAT-GTA
b)
GAU-UAG-UGA-UUA-GUT
c)
CUA-AUG-UCU-AAU-GUA
d)
CAT-ACA-TAC-ATA-TAG
77.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
78.
Every three letters (example: ATC) in DNA codes for what??
a)
Amino Acid
b)
Nucleotide
c)
Lipid
d)
Carbohydrate
79.
tRNA is involved in
a)
carrying amino acids 
b)
carrying ribosomes
c)
carrying glucose
d)
carrying lipids
80.
Transcribe the following piece of DNA:
ATCGTA
a)
UAGCAU
b)
TAGCAT
c)
ATCGTA
d)
AUCGUA
81.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
82.
Which amino acid is made from the RNA codon GUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Valine
83.
The process of making RNA (i.e. mRNA) from DNA is called
a)
Replication
b)
Transcription
c)
Translation
d)
Protein synthesis
84.
When DNA is transcribed to RNA.... 
a)
A pairs with U
b)
C pairs with U
c)
A pairs with T
d)
C pairs with T
85.
Where does Translation occur?
a)
Proteins
b)
Mitochondria
c)
Ribosomes
d)
Cytoplasm
86.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
87.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
88.

There are [fill in] amino acids

a)

4

b)

12

c)

20

d)

23

89.

We know what amino acid a molecule of DNA is coding for by looking at the [fill in] of the nucleotides?

a)

number of nucleotides

b)

the order and bases of the nucleotides

c)

the number and bases of the nucleotides

d)

the color of the nucleotides

90.

What do we use a codon chart for?

a)

to figure out which protein is being made in a ribosome

b)

to calculate the number of amino acids that make up a particular protein

c)

to figure out how DNA is replicating

d)

to figure out which amino acid a group of three nucleotides is coding for

91.

"Termination" refers to the point when

a)

DNA replication is complete

b)

the mRNA has finshed copying DNA and detaches from the DNA

c)

a cell splits into two separate cells with identical DNA

d)

an amino acid becomes a protein

92.

In transcription, the "template" is the

a)

DNA strand that mRNA is making a complementary copy of

b)

The DNA strand that is not copied during transcription

c)

the mRNA strand copying the DNA codes for amino acids

d)

The double helix

93.

DNA transcription copies

a)

the entire genome (all the chromosomes)

b)

a gene

c)

a chromosome

94.

DNA replication copies

a)

the entire genome (all the chromosomes)

b)

a gene

c)

a chromosome

95.

DNA replication copies

a)

the entire genome (all the chromosomes)

b)

a gene

c)

a chromosome

96.

What happens at 4?

a)

In the nucleus a gene is copied into mRNA (messenger RNA)

b)

The mRNA leaves the nucleus and heads to a ribosome

c)

The ribosome uses tRNA to read the message and make a protein

d)

A protein is made (in this example, a channel protein for a cell membrane)

97.

What happens at 3?

a)

In the nucleus a gene is copied into mRNA (messenger RNA)

b)

The mRNA leaves the nucleus and heads to a ribosome

c)

The ribosome uses tRNA to read the message and make a protein

d)

A protein is made (in this example, a channel protein for a cell membrane)

98.

What happens at 2?

a)

In the nucleus a gene is copied into mRNA (messenger RNA)

b)

The mRNA leaves the nucleus and heads to a ribosome

c)

The ribosome uses tRNA to read the message and make a protein

d)

A protein is made (in this example, a channel protein for a cell membrane)

99.

What happens at 1?

a)

In the nucleus a gene is copied into mRNA (messenger RNA)

b)

The mRNA leaves the nucleus and heads to a ribosome

c)

The ribosome uses tRNA to read the message and make a protein

d)

A protein is made (in this example, a channel protein for a cell membrane)

100.

What is the "start condon"?

a)

AGT

b)

AUG

c)

CCG

d)

GCA

101.

What is the "stop codon"?

a)

TGA

b)

AAU

c)

UAA

d)

AUG

102.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
103.

What is the correct order in DNA replication?

a)

DNA polymerase, lipase, primase, helicase

b)

helicase, primase, DNA polymerase, lipase

c)

Primase, helicase, DNA polymerase, lipase

d)

helicase, lipase, DNA polymerase, primase

104.

Match the following

a)

Polymerase

1.

builds the complementary DNA strand

b)

Ligase

2.

bonds DNA fragments together

c)

Primase

3.

Indicates whee DNA replication begins

d)

Helicase

4.

"unzips" the DNA

105.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
106.

What is the name of the place where the double helix is unwound?

a)

Replication Fork

b)

The Y zone

c)

Replication Spoon

d)

Ribosomes

107.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)

primase

c)
polymerase
d)

lipase

108.
This image shows that DNA Replication is _______.
a)
Conservative
b)
Semiconservative
c)
Dispersive
d)
Spontaneous
109.
In DNA replication, which enzyme is responsible for building the new DNA strand?
a)
helicase
b)
polymerase
c)
ligase
d)
primase
110.

What part of the DNA strand is replication taking place in?

a)

replication bubble

b)

replication fork

c)

nucleic window

d)

mitochondria

111.

Which image represents anti-parallel structure?

a)

Image 1

b)

Image 2

112.

Every DNA molecule has two strands. When DNA is replicated,

a)

both strands get passed on to the daughter cell without adding new material

b)

complementary copies (A for T, G for C, etc.) are made of both strands at the same time

c)

both strands are copied exactly (A for A, T for T, etc) at the same time

d)

one strand is copied at a time (A for T, G for C, etc.)

113.

Where is most of a cell's life spent?

a)

DNA replication

b)

mitosis

c)

interphase

114.

When does a normal cell undergo DNA replication?

a)

before mitosis

b)

after division

c)

at the very beginning of interphase

d)

every 46 days

115.

What kind of cells does the process of mitosis make?

a)

egg and sperm cells

b)

cells used for reproduction

c)

body cells

d)

mainly digestive cells

116.

Which of these is NOT part of mitosis?

a)

cell division

b)

replication of DNA

c)

separation of chromosomes

d)

nuclear membrane dissolves

117.

The time in a cell's life when it grows, replicates DNA and does its job is:

a)

prophase

b)

metaphase

c)

mitosis

d)

interphase

118.

If a cell spends 70% of its time in the mitosis part of its life, it might be

a)

a pancreatic cell

b)

a cell for sexual reproduction

c)

a cancerous cell

d)

a normal cell

119.

A histone is

a)

DNA and RNA

b)

a lipid

c)

a protein

d)

an enzyme

120.

Histones are important to DNA because

a)

they provide the bonds that hold the bases together

b)

they make up the backbone of DNA

c)

they support DNA folding so it can fit into the nucleus

d)

they are what makes up DNA--they are a nucleic acid

121.

Is this individual male or female?

a)

Male

b)

Female

122.

Pairs of similar, but not identical, chromosomes are called...

a)

homologous chromosomes

b)

sister chromatids

123.

When a cell divides, DNA strands coil around proteins to form ...

a)

chromatin

b)

chromosomes

124.

Homologous chromosome pairs are a combination of how many chromosomes from each parent?

a)

1 from each parent

b)

2 from each parent

125.

What is an organized picture of all of an organism’s homologous chromosome pairs lined up with each other?

a)

Pedigree

b)

Karyotype

126.

Cells that contain 2 sets of chromosomes are called ...

a)

haploid

b)

diploid

127.

How many pairs of sex chromosomes do human cells contain?

a)

22

b)

1

c)

46

128.

Do homologous chromosomes always look identical?

a)

Yes, same everything (shape, size, position, and bands)

b)

No, not quite (different positions but same band patterns and similar size)

129.

Which phase is this in?

a)

Interphase

b)

Metaphase

c)

Anaphase

d)

Telephase

130.

Which phase is this in?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telephase

131.

Which phase is this in?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telephase

132.

Which phase is this in?

a)

Prophase

b)

Interphase/replication

c)

Anaphase

d)

Telophase/cytokinesis

133.

Reorder the following

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telephase

e)

cytokenises

1)
2)
3)
4)
5)
134.

What phase is anaphase?

a)

b)

c)

d)

135.

What phase is metaphase?

a)
b)
c)
d)
136.

What phase is Telephase?

a)
b)
c)
d)
137.

What phase is Prophase?

a)
b)
c)
d)
138.

The splitting of the cytoplasm and cell membranes is called?

a)

Interphase

b)

Telophase

c)

Centromere

d)

Cytokinesis

139.

If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?

a)

20

b)

10

c)

40

d)

200

140.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
141.
Highly coiled strand of DNA
a)
Chromatin
b)
Chromosome
c)
Sister Chromatid
d)
Centeromere
142.
Attaches the two identical sister chromatids to form a chromosome. 
a)
Chromatin
b)
Chromosomes
c)
Sister Chromatid
d)
Centromere
143.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
144.

The middle of a chromosome

a)

Centriole

b)

Cytokinesis

c)

Centromere

d)

Chromatid

145.

Two replicated cells split from each other and are able to move on their own.

a)

Metaphase

b)

Prophase

c)

Cytokinesis

d)

Telophase

146.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
147.

Find the complementary DNA sequence: AATCGAC

a)

UUAGCUG

b)

AATCGAC

c)

CCGATCT

d)

TTAGCTG

148.
The stages of mitosis in order
a)
Metaphase, Anaphase, Prophase, Telophase
b)
Prophase, Anaphase, Metaphase, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Anaphase, Prophase, Telophase, Metaphase
149.
Why does the genetic material in a cell double before it undergoes mitosis?
a)
So each new cell has a complete copy of the DNA.
b)
So each new cell has 2 complete sets of DNA.
c)
So there is an extra set in case 1 set is damaged.
d)
It is practicing so the next time it knows what to do.
150.

Which structure holds 2 sister chromatids together?

a)

Centrioles

b)

Spindle Fibers

c)

Centromeres

151.

Which structure sends out spindle fibers?

a)

Centrioles

b)

Spindle Fibers

c)

Centromeres

152.

Which are 2 identical copies of the same chromosome that are held together with a centromere?

a)

sister chromatids

b)

chromosomes

153.

Which of these best represents the idea of DNA being packaged into chromosomes?

a)

b)

c)

d)

154.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
155.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
156.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome 
157.
Cancer is a condition in which:
a)
Cells divide much more than normal
b)
Skin cells produce cells that are not skin cells
c)
Chromosomes do not replicate
d)
The body cannot control sugar levels in the bloodstream, causing diabetes
158.
A cell with 10 chromosomes undergoes mitosis. How many daughter cells are created? ___ Each daughter cell has ___ chromosomes.
a)
2, 10
b)
10, 2
c)
1, 10
d)
2, 20
159.
Each chromosome during mitosis consists of 2 _____.
a)
centrofibers
b)
chromatids
c)
daughter cells
d)
centrioles
160.
Which is an homologous pair?
a)
Option 1
b)
Option 2
161.
Which is a replicated pair?
a)
Option 1
b)
Option 2
162.

Where is most of a cell's life spent?

a)

DNA replication

b)

mitosis

c)

interphase

163.

When does a normal cell undergo DNA replication?

a)

before mitosis

b)

after division

c)

at the very beginning of interphase

d)

every 46 days

164.

What kind of cells does the process of mitosis make?

a)

egg and sperm cells

b)

cells used for reproduction

c)

body cells

d)

mainly digestive cells

165.

Which of these is NOT part of mitosis?

a)

cell division

b)

replication of DNA

c)

separation of chromosomes

d)

nuclear membrane dissolves

166.

The time in a cell's life when it grows, replicates DNA and does its job is:

a)

prophase

b)

metaphase

c)

mitosis

d)

interphase

167.

If a cell spends 70% of its time in the mitosis part of its life, it might be

a)

a pancreatic cell

b)

a cell for sexual reproduction

c)

a cancerous cell

d)

a normal cell

168.

A histone is

a)

DNA and RNA

b)

a lipid

c)

a protein

d)

an enzyme

169.

Histones are important to DNA because

a)

they provide the bonds that hold the bases together

b)

they make up the backbone of DNA

c)

they support DNA folding so it can fit into the nucleus

d)

they are what makes up DNA--they are a nucleic acid

170.

Is this individual male or female?

a)

Male

b)

Female

171.

Pairs of similar, but not identical, chromosomes are called...

a)

homologous chromosomes

b)

sister chromatids

172.

When a cell divides, DNA strands coil around proteins to form ...

a)

chromatin

b)

chromosomes

173.

Homologous chromosome pairs are a combination of how many chromosomes from each parent?

a)

1 from each parent

b)

2 from each parent

174.

What is an organized picture of all of an organism’s homologous chromosome pairs lined up with each other?

a)

Pedigree

b)

Karyotype

175.

Cells that contain 2 sets of chromosomes are called ...

a)

haploid

b)

diploid

176.

How many pairs of sex chromosomes do human cells contain?

a)

22

b)

1

c)

46

177.

Do homologous chromosomes always look identical?

a)

Yes, same everything (shape, size, position, and bands)

b)

No, not quite (different positions but same band patterns and similar size)

178.

Which phase is this in?

a)

Interphase

b)

Metaphase

c)

Anaphase

d)

Telephase

179.

Which phase is this in?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telephase

180.

Which phase is this in?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telephase

181.

Which phase is this in?

a)

Prophase

b)

Interphase/replication

c)

Anaphase

d)

Telophase/cytokinesis

182.

Reorder the following

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telephase

e)

cytokenises

1)
2)
3)
4)
5)
183.

What phase is anaphase?

a)

b)

c)

d)

184.

What phase is metaphase?

a)
b)
c)
d)
185.

What phase is Telephase?

a)
b)
c)
d)
186.

What phase is Prophase?

a)
b)
c)
d)
187.

The splitting of the cytoplasm and cell membranes is called?

a)

Interphase

b)

Telophase

c)

Centromere

d)

Cytokinesis

188.

If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?

a)

20

b)

10

c)

40

d)

200

189.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
190.
Highly coiled strand of DNA
a)
Chromatin
b)
Chromosome
c)
Sister Chromatid
d)
Centeromere
191.
Attaches the two identical sister chromatids to form a chromosome. 
a)
Chromatin
b)
Chromosomes
c)
Sister Chromatid
d)
Centromere
192.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
193.

The middle of a chromosome

a)

Centriole

b)

Cytokinesis

c)

Centromere

d)

Chromatid

194.

Two replicated cells split from each other and are able to move on their own.

a)

Metaphase

b)

Prophase

c)

Cytokinesis

d)

Telophase

195.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
196.

Find the complementary DNA sequence: AATCGAC

a)

UUAGCUG

b)

AATCGAC

c)

CCGATCT

d)

TTAGCTG

197.
The stages of mitosis in order
a)
Metaphase, Anaphase, Prophase, Telophase
b)
Prophase, Anaphase, Metaphase, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Anaphase, Prophase, Telophase, Metaphase
198.
Why does the genetic material in a cell double before it undergoes mitosis?
a)
So each new cell has a complete copy of the DNA.
b)
So each new cell has 2 complete sets of DNA.
c)
So there is an extra set in case 1 set is damaged.
d)
It is practicing so the next time it knows what to do.
199.

Which structure holds 2 sister chromatids together?

a)

Centrioles

b)

Spindle Fibers

c)

Centromeres

200.

Which structure sends out spindle fibers?

a)

Centrioles

b)

Spindle Fibers

c)

Centromeres

201.

Which are 2 identical copies of the same chromosome that are held together with a centromere?

a)

sister chromatids

b)

chromosomes

202.

Which of these best represents the idea of DNA being packaged into chromosomes?

a)

b)

c)

d)

203.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
204.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
205.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome 
206.
Cancer is a condition in which:
a)
Cells divide much more than normal
b)
Skin cells produce cells that are not skin cells
c)
Chromosomes do not replicate
d)
The body cannot control sugar levels in the bloodstream, causing diabetes
207.
A cell with 10 chromosomes undergoes mitosis. How many daughter cells are created? ___ Each daughter cell has ___ chromosomes.
a)
2, 10
b)
10, 2
c)
1, 10
d)
2, 20
208.
Each chromosome during mitosis consists of 2 _____.
a)
centrofibers
b)
chromatids
c)
daughter cells
d)
centrioles
209.
Which is an homologous pair?
a)
Option 1
b)
Option 2
210.
Which is a replicated pair?
a)
Option 1
b)
Option 2
211.

How many chromosomes do human gametes have?

a)

46

b)

23

c)

18

d)

36

212.

Crossing over usually occurs between:

a)

Sister Chromatids

b)

Homologous Chromosomes

c)

Alleles

d)

Non-Homologous Chromosomes

213.

How many chromosomes do humans normally have in each cell?

a)

23

b)

46

c)

92

d)

44

214.

Which of the following is NOT a function of chromosomes?

a)

Carrying genetic information

b)

Determining the sex of an organism

c)

Providing energy to cells

d)

Ensuring DNA is accurately copied and distributed in cell division

215.
A doctor may use a _________ to examine the chromosomes in a cell.
a)
x-ray
b)
blood test
c)
karyotype
d)
hemoglobin
216.

Homologues chromosomes are chromosomes that are (a)   ​the same size and they contain the same​ ​ (b)   of (c)   in the same ​ (d)   .

Choose from the below words
approximately
types
genes
locations
217.

In each of your human body cells, there are ​ (a)   individual chromosomes, existing in ​ (b)   pairs.

Choose from the below words
46
23
64
32
218.

For a white shark's DNA, 2N=82. How many chromosomes are in its gametes?

a)

47

b)

41

c)

164

d)

94

219.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
220.

True or False? Before cells undergo meiosis they pass through interphase first.

a)

true

b)

false

221.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

222.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

223.

Which of the following is the best definition for MEIOSIS?

a)

the process of two haploid cells uniting

b)

the counting of chromosomes within a diploid cell

c)

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

d)

the equational division of a cell into two identical copies

224.

How many cells are formed at the end of Meiosis II?

a)

2

b)

3

c)

4

d)

8

225.

How many cells are formed at the end of Meiosis II?

a)

2

b)

3

c)

4

d)

8

226.

Meiosis is needed because

a)

It is not needed but some organisms benefit from it

b)

Cells involved in sexual reproduction should have only half the number of chromosomes

c)

Every cell in an organism needs to have identical DNA

d)

Every human cell has 92 chromosomes

227.

if a body cell normally has 24 chromosomes how many will it have at the end of mitosis?

a)

6

b)

12

c)

24

d)

48

228.

In mitosis, one parent cell -

a)

Forms two identical daughter cells

b)

Forms four identical daughter cells

c)

Forms two genetically diverse daughter cells

d)

Forms four genetically diverse daughter cells

229.

Products of meiosis are genetically

a)

different from the parent

b)

identical to the parent

230.
Most of the cells in the human body are produced by
a)
mitosis
b)
meiosis
231.
Before a cell can divide, what must happen?
a)
Nothing, it is always ready to divide
b)
The number of chromosomes must be cut in half
c)
The number of chromosomes must double
d)
The number of chromosomes must triple.
232.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
233.

Ends with diploid number of chromosomes

a)

Mitosis

b)

Meiosis

c)

Both

234.

Forms gametes

a)

Mitosis

b)

Meiosis

c)

Both

235.

Produces non-identical cells

a)

Mitosis

b)

Meiosis

c)

Both

236.

What process results in the division of 1 cell into 2 identical daughter cells?

a)

Mitosis

b)

Meiosis

c)

Transcription

d)

Cross-Over

e)

Translation

237.

During what stage of the cell cycle do organelles get duplicated?

a)

interphase

b)

transcription

c)

mitosis

d)

meiosis

238.

What is the longest phase of the cell cycle?

a)

Metaphase

b)

Prophase

c)

Cytokinesis

d)

Interphase

239.

In meiosis II, the chromosomes must replicate before dividing.

a)

True

b)

False

240.

In meiosis II, the chromosomes must replicate before dividing.

a)

True

b)

False

241.

What is the final result of meiosis?

a)

4 genetically different haploid cells

b)

4 genetically identical haploid cells

c)

4 genetically different diploid cells

d)

4 genetically identical diploid cells

242.

Select the image that represents meiosis:

a)
b)
243.

During mitosis, if an organism has 10 chromosomes, how many will the new daughter cells have?

a)

10

b)

8

c)

5

d)

2

244.

During meiosis, if an organism has 10 chromosomes, how many will the new daughter cells have?

a)

10

b)

8

c)

5

d)

2

245.
This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?
a)

segregation of sister chromatids

b)

condensation and segregation of alleles

c)

mutationin which the DNA content of the gene is altered

d)

crossing - over in which genes are exchanged

246.

A pair of identical chromosomes (one inherited from mom and one inherited from dad) are called ______________________________.

a)

centromeres

b)

homologous chromosomes

c)

autosomes

247.

The number of chromosomes increases over generations of a species (because both parents donate a full copy of DNA) true or false?

a)

false

b)

true

248.

Interphase must occur once before

meiosis can happen. (Same thing for

mitosis). What would happen if

interphase didn’t occur first?

a)

I understand that this may be an open response question on my exam. I will write it down before I go on to the next question and think about how to answer it.

b)

I will skip open response questions and hope they don't count for too much

249.

Meiosis does PMAT twice! That

means there is a prophase I and a

prophase II. There is a metaphase I and

a metaphase II. Etc… From the cartoon

here with chromosomes in the middle

of the cell, how would you know

whether it was in metaphase I or

metaphase II?

a)

I understand that this may be an open response question on my exam. I will write it down before I go on to the next question and think about how to answer it.

b)

I will skip open response questions and hope they don't count for too much

250.

Crossing over is a very important event

in Prophase I of meiosis! What happens

during crossing over and what is the

significance?

a)

I understand that this may be an open response question on my exam. I will write it down before I go on to the next question and think about how to answer it.

b)

I will skip open response questions and hope they don't count for too much

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Biology EOC Review

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Biology EOC Review

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9th - 12th Grade