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DNA and Mitosis District Assessment Review

Total questions: 100

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
2.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
3.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
4.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
5.
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
6.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
7.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
8.
Which of the following is a base that is NOT contained in DNA?
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
9.
What does DNA stand for?
a)
Ribonucleic Acid
b)
Deoxyribonucleic Acid
c)
Both of these
d)
None of these
10.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
11.
What sugar is in DNA?
a)
deoxyribose
b)
ribose
c)
oxyribose
d)
deoxyose
12.
What are the four nitrogen bases?
a)
adenine, thymine, guanine, cytosine
b)
adenine, lysine, prolene, guanine
c)
arganine, cytosine, lysine, purine
d)
lysine, cytosine, lucine, guanine
13.
What kind of information does DNA carry?
a)
genetic
b)
nuclear
c)
cell structure
d)
it doesn't carry any info
14.
What are the building blocks for DNA?
a)
carbohydrates
b)
nucleotides
c)
lipids
d)
proteins
15.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
16.
DNA is a polymer made of:
a)
Nucleotides
b)
Ribosomes
c)
Purines
d)
Pyrimidines
17.
A segment of DNA is called a
a)
Chromosome
b)
Gene
c)
Phenotype
d)
Genotype
18.

Which of the following is correctly matches: ATT GTA CGA

a)

TAA CAT GCT

b)

ATT GTA CGA

c)

TAA GTA TCG

d)

GCC ACG TAC

19.

Hydrogen bonds occur:

a)

on the ribbon (between the sugar)

b)

between the bases

c)

only between A & T

d)

only between G & C

20.

What is this a picture of?

a)

nucleotide

b)

DNA strand

c)

chromosome

d)

gene

21.

What is this a picture of?

a)

nucleotide

b)

DNA strand

c)

chromosome

d)

gene

22.

Which of the following correctly matches: GCT AGA TCG

a)

CGA TCT AGC

b)

TAG CTC GAT

c)

ATC GAG CTA

d)

ATG CTC CGT

23.

In which phase do the chromosomes line up?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

24.

In which phase do the chromatids split apart?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

25.

If a DNA sequence read ATTGCC what would the complimentary DNA strand read?

a)

GAATGG

b)

UAACGG

c)

TAACGG

26.

The definition of gene is

a)

DNA that codes for an amino acid

b)

Chromosomes that code for a trait

c)

DNA that codes for a nucleotide

d)

DNA that codes for protein

27.

Why do chromosomes come in "pairs"?

a)

They just do

b)

Each one makes a copy of itself as a back up

c)

Because DNA is a "double" helix

d)

Because you got one from mom and one from dad

28.

Which of the following represents a female?

a)

XX

b)

XY

c)

X

d)

Y

29.

What is "B"?

a)

Nucleotide

b)

Deoxyribose Sugar

c)

Nitrogenous base

d)

Phosphate

30.

What is "A"?

a)

Nucleotide

b)

Deoxyribose Sugar

c)

Nitrogenous base

d)

Phosphate

31.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
32.

Enzymes are responsible for copying your DNA. If a person gets too hot, then their enzymes will denature. Which of the following is a true statement based on this fact?

a)

Helicase will work more slowly to open the double helix

b)

DNA Polymerase will not be able to copy the DNA strands

c)

Helicase will work more quickly to open the helix

d)

DNA Polymerase will copy the DNA strands more slowly

33.
If a strand reads:
3' A A A T T T C 5'
The matching strand would read...
a)
5' T T T A A A G 3'
b)
3' T T T A A A G 5'
c)
5' A A A T T T C 3'
d)
3' U U U A A A G 5'
34.
Sometimes, DNA is called "semi-conservative." Why might this be?
a)
The old strand is "conserved" and used to make the new strands
b)
Uracil is "conserved" in that it is only used to make the new strands
c)
ATP is "conserved" via the usage of facilitated diffusion
d)
Ligase is "conserved" in that it is denatured by the process
35.

Which is the first step?

a)

DNA Helicase unwinds original DNA strand

b)

RNA Primase lays down RNA primer for new nucleotide bases.

c)

DNA polymerase builds new strands by bring in new nucleotide bases.

d)

Ligase knits together fragments on lagging strand

36.

Which is the second step?

a)

DNA Helicase unwinds original DNA strand

b)

RNA Primase lays down RNA primer for new nucleotide bases.

c)

DNA polymerase builds new strands by bring in new nucleotide bases.

d)

Ligase knits together fragments on lagging strand

37.

Which is the third step?

a)

DNA Helicase unwinds original DNA strand

b)

RNA Primase lays down RNA primer for new nucleotide bases.

c)

DNA polymerase builds new strands by bring in new nucleotide bases.

d)

Ligase knits together fragments on lagging strand

38.
DNA to DNA is called-
a)
Transcription
b)
Translation
c)
Replication
d)
Duplication
39.
order of replication
a)
3, 4, 2, 1
b)
3, 1, 4, 2
c)
2, 1, 4, 3
d)
3, 4, 1, 2
40.

Why does DNA replicate?

a)

To create another copy for the new cell

b)

To create a duplicate copy in case the original gets damaged

c)

To create a new copy to replace the damaged original

d)

To correct mutations that occurred previously

41.
After analyzing a sample of DNA, a scientist recorded the data shown in the table. What percentage of the DNA sample is cytosine?
a)
22%
b)
25%
c)
28%
d)
56%
42.
What is the correct complimentary strand for the following DNA?ATCGAG
a)
TACGAG
b)
ATCGAG
c)
TAGCTG
d)
TAGCTC
43.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
44.
In the diagram strand I and II represent portions of DNA molecule. Strand II would normally include...
a)
AGC
b)
TCG
c)
TAC
d)
GAT
45.
Four different segments of a DNA molecule are represented below. There is an error in the DNA molecule in 
a)
Segment 1 only
b)
segment 3 only
c)
Segment 2 and 3
d)
segment 2 and 4 
46.
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%
47.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
48.

What is the appropriate base pairing sequence to match this strand?


5' ATGTTCACT 3'

a)

3' ATGTTCACT 5'

b)

3' TACAAGTGA 5'

c)

3' TCACTTGTA 5'

d)

3' ATGTTGAGT 5'

49.

Differences in traits such as hair texture are determined by differences in-

a)

the location of sugar groups in DNA

b)

the sequence of nucleotides in DNA

c)

the number of nitrogenous bases in DNA

d)

the molecules attached to the phosphate in DNA

50.

Which part of the DNA is responsible for the direct coding of specific traits in an organism?

a)

the # of hydrogen bonds

b)

the # of carbons in the DNA

c)

the sequence of nucleotide bases in the DNA molecule

d)

the sequence of phosphates along each DNA strand

51.

Which statement is true, based on the picture below?

a)

The model is inaccurate because the base pairs are incorrect

b)

The model is accurate because it contains correctly paired bases.

c)

The model accurate because it shows each splitting to form a double helix

d)

The model is inaccurate because some typical bases in DNA are missing

52.

Nitrogenous (nitrogen) bases are located on both strands of DNA double helix. What is the significance of nitrogen bases?

a)

The # of A's and C's determine the type of RNA produced

b)

The order of the bases determines the order of the amino acid that make up the protein

c)

The amount of T and G in DNA determines the length of the genes

d)

The type of H bonding between bases determines the amino acid that makes up the protein

53.

What strand of DNA matches

a)
b)
c)
d)
54.

How is information for a certain protein carried on the DNA?

a)

As a sequence of nucleotides

b)

In the double-helix shape of the condensed chromosome

c)

In the ratio of adenines to thymines

d)

As a pattern of phosphates and sugars

55.

Which of these models of a DNA strand shows bases that are complementary to the DNA model above?

a)
b)
c)
d)
56.

The sequence of bases in the DNA is most important for which of the following?

a)

Providing the instructions for the traits of an organism

b)

Preventing mutations from occurring during DNA replication

c)

Allowing the DNA to have the shape necessary for the replication

d)

Helping form the sugar-phosphate backbone of DNA molecules

57.

Characteristics such as widow's peak or attached earlobes are determined by the genetic code. What components of DNA are referred to as the genetic code?

a)

Phosphate groups

b)

Nitrogenous bases

c)

Deoxyribose sugars

d)

Hydrogen bonds

58.

How does DNA in cells determine an organism's complex traits?

a)

DNA contains codes for proteins, which are necessary for the growth and functioning of an organism

b)

DNA separates into long single strands that make up each part of an organism

c)

DNA produces the energy an organism needs to grow

d)

DNA folds into the nucleus of each of the cells organism

59.

What is the following molecule called?

a)

Nucleotide

b)

Nucleoside

c)

ATP

d)

ADP

60.

What letter represents the part of the nucleotide that is the genetic code?

a)

1

b)

2

c)

3

d)

None of the above

61.

3' AGGTCAGGT 5'

a)

5' AGGTCAGGT 3'

b)

5' ACCTCUGGT 3'

c)

5' TGGACTGGA 3'

d)

5' TCCAGTCCA 3'

62.

Which letters collectively make up a nucleotide. Select all that apply

a)

W

b)

X

c)

Y

d)

None

63.

What is the longest stage (cell spends 90% here) of the cell cycle called?

a)

Cytokinesis

b)

M phase

c)

Interphase

d)

G1 Phase

64.

Put the following stages of MITOSIS in order: anaphase, prophase, metaphase, and telophase.

a)

prophase, metaphase, telophase, anaphase

b)

prophase, anaphase, metaphase, telophase

c)

prophase, metaphase, anaphase, telophase

d)

prophase, telophase, metaphase, anaphase

65.
Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis. 
a)
DNA replicates, cell grows, cell prepares for mitosis, cell divides
b)
cell grows, cell prepares for mitosis, DNA replicates, cell divides
c)
cell grows, DNA replicates, cell prepares for mitosis, cell divides
d)
DNA replicates, cell prepares for mitosis, cell grows, cell divides
66.

Why would it be important to replicate DNA before a cell divides in mitosis?

a)

In order for genetic information to be transferred into daughter cells.

b)

In order for the cell to be able to increase in size.

c)

In order for the DNA to be contained in the nucleus.

d)

In order for the cell to re-order the DNA sequencing in the new cells.

67.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
68.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
69.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
70.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
71.
The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
telephase
72.
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.
73.

The cell membrane pinches in, cutting the cytoplasm into 2 daughter cells

a)

Metaphase

b)

Anaphase

c)

Telephase

d)

Cytokinesis

74.
Cells of organism must replicate for ?
a)
growth
b)
repair of damaged cells
c)
replacement of dying cells.
d)
All of the above
75.

Identify the phase of mitosis shown

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

76.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
77.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
78.

The G1, S, and G2 are parts of which phase of the cell cycle?

a)

Prophase

b)

Interphase

c)

Telophase

d)

Anaphase

79.

During which phase of the cell cycle does DNA replication take place?

a)

G1

b)

G2

c)

S

d)

M

e)

G0

80.

Cancer is...

a)

Uncontrolled cell growth

b)

Normal cell growth

c)

A protein

d)

A cell cycle regulator

81.

What is Apoptosis?

a)

A tumor

b)

A protein

c)

Programmed cell death

d)

Cell cycle checkpoints

82.

What is cell differentiation?

a)

The process where unspecialized cells become different in structure and function.

b)

When DNA controls the cell cycle.

c)

The ability of cells to make more cells.

d)

The ability of cells to maintain homeostasis.

83.

If the S-phase was eliminated from the cell cycle, the daughter cell would

a)

have half the genetic material found in the parental cell

b)

be genetically identical

c)

be genetically identical to the parent cell

d)

synthesize the missing genetic material on their own

84.

Cancer cells:

a)

Lose the ability to divide

b)

Divide more slowly than normal cells

c)

Spend less time in Interphase

d)

Spend less time in mitosis/cytokinesis

85.

Normal cells become cancer when

a)

regulation of cell growth and division occurs

b)

cells do not respond to checkpoints of the cell cycle

c)

cells respond to control mechanisms

d)

cell pass through G1

86.

What is the function of the G0 phase in the cell cycle?

a)

The G0 phase is a resting phase where the cell has left the cycle and has stopped dividing.

b)

The G0 phase is where the cell undergoes rapid division.

c)

The G0 phase is where DNA replication occurs.

d)

The G0 phase is where the cell prepares for division.

87.

How do mutations in tumor suppressor genes contribute to the development of cancer?

a)

Mutations in tumor suppressor genes can lead to uncontrolled cell division, contributing to the development of cancer.

b)

Mutations in tumor suppressor genes prevent the development of cancer.

c)

Mutations in tumor suppressor genes have no effect on the development of cancer.

d)

Mutations in tumor suppressor genes slow down the development of cancer.

88.

What is the function of the G1 checkpoint in the cell cycle?

a)

The G1 checkpoint ensures that the cell has sufficient nutrients and energy for the upcoming S phase.

b)

The G1 checkpoint ensures that all chromosomes are properly attached to the mitotic spindle before the cell enters anaphase.

c)

The G1 checkpoint ensures that DNA replication has been completed before the cell enters the S phase.

d)

The G1 checkpoint ensures that the cell has completed cytokinesis before entering the G2 phase.

89.

A disorder in which some of the body's cells lose the ability to control growth.

a)

growth factor

b)

human growth hormone

c)

cancer

d)

tumor

90.
Which phrase best describes cancer?
a)
absence of cyclins
b)
multiple gene mutations
c)
uncontrolled cell growth
d)
precesnce of genetic defects
91.

In organism #1 there is 13% thymine in a molecule of DNA, Determine the percent (%) _____ cytosine.

a)

13%

b)

26%

c)

37%

d)

74%

92.

In the DNA of a panda, there is 30% adenine. Determine the percent of guanine.

a)

15%

b)

40%

c)

10%

d)

20%

93.

In organism #1 there is 29% guanine in a molecule of DNA, Determine the percent (%) _____ thymine.

a)

21%

b)

29%

c)

42%

d)

58%

94.
If a DNA stand has 32 % guanine before semi conservative replication occurs, what percent thymine will each new strand have after replication? 
a)
64%
b)
32%
c)
18%
d)
36%
95.

If 30% of an individuals DNA is composed of C's, what percentage contains G's?

a)

30%

b)

70%

c)

35%

d)

40%

96.

True or False: DNA is found in ALL organisms

a)

True

b)

False

97.
What does DNA do?
a)
a.  It carries genetic codes from parents to offspring.
b)
a.  It carries oxygen from the lungs to the body.
c)
a.  It tells you who you are.
d)
a.  It defines the organism.
98.

A segment of DNA that carries hereditary instructional information and passes traits from parent to offspring

a)

Jean

b)

Gene

c)

chromosome

d)

chromatid

99.

What is the complement to the DNA strand below: 5'-ATGCCAT-3'

a)

5'-TACGGTA-3'

b)

3'-TACGGTA-5'

c)

3'-ATGGCAT-5'

d)

5'-ATGGCAT-3'

100.

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

a)

The order of the Nitrogen Bases determines the number of chromosomes present in an organism.

b)

The order of the Nitrogen Bases determines the traits that an organism will possess (have).

c)

The order of the Nitrogen Bases determines the gender of an organism.

d)

The order of the Nitrogen Bases determines whether an organism is abiotic biotic.

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