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Unit3_Test_Review

Total questions: 70

Worksheet time: 59mins

Name
Class
Date
1.

Select all stages of interphase?

a)

G1

b)

S

c)

G2

d)

Mitosis

2.

In which stage of the cell cycle does the cell duplicate its DNA?

a)

G1

b)

S

c)

G2

d)

Mitosis

3.

In which stage of the cell cycle does the cell split into two?

a)

Mitosis

b)

G1

c)

Cytokinesis

d)

S

4.

_____ is the uncontrolled growth of cells, often resulting in a tumor or mass of abnormal cells

a)

Cancer

b)

Apoptosis

c)

Radiation

5.

Apoptosis is

a)

programmed cell death

b)

mysterious cell death

c)

programmed cellular mutation

d)

mysterious cellular mutation

6.

Trisomy 21, or having 3 copies of chromosomes 21 is known as which type of mutation?

a)

Point

b)

Trinucleotide Repeat Expansion

c)

Nondisjunction

d)

Gene Translocation

7.

What is the term that refers to changes in the DNA sequence of a single gene?

a)

Mutagen

b)

Mutation

c)

Diversity

d)

Replication

8.

Which of the following is not mutagen?

a)

UV Rays

b)

Processed Food

c)

Viruses

d)

Adenine

9.

MEIOSIS IS NEEDED BECAUSE...

a)

IT ACTUALLY ISN'T, BUT CAN BE HELPFUL IN SOME ORGANISMS

b)

TO REDUCE THE CHROMOSOME NUMBER BY HALF

c)

SO THAT EVERY CELL IS EXACTLY IDENTICAL

d)

TO MAKE SURE EVERY HUMAN CELL HAS 92 CHROMOSOMES

10.

WHAT DOES MEIOSIS CREATE?

a)

CHROMOSOMES

b)

GAMETES

c)

DNA

d)

TRAITS

11.

THE END RESULT OF MEIOSIS IS...

a)

FOUR UNIDENTICAL GAMETES

b)

FOUR IDENTICAL GAMETES

c)

TWO IDENTICAL GAMETES

d)

TWO UNIDENTICAL GAMETES

12.

THE GAMETES ARE CONSIDERED TO HAVE ONE HALF OF THE GENETIC INFO SO IT IS CALL

a)

DIPLOID (2N)

b)

DIPLOID (N)

c)

HAPLOID (2N)

d)

HAPLOID (N)

13.

MALE GAMETE IS KNOWN AS

a)

EGG

b)

SPERM

14.

A FEMALE GAMETE IS KNOWN AS

a)

EGG

b)

SPERM

15.

WHAT DOES MEIOSIS CREATE?

a)

CHROMOSOMES

b)

GAMETES

c)

DNA

d)

TRAITS

16.

MEIOSIS IS NEEDED BECAUSE...

a)

IT ACTUALLY ISN'T, BUT CAN BE HELPFUL IN SOME ORGANISMS

b)

TO REDUCE THE CHROMOSOME NUMBER BY HALF

c)

SO THAT EVERY CELL IS EXACTLY IDENTICAL

d)

TO MAKE SURE EVERY HUMAN CELL HAS 92 CHROMOSOMES

17.

THE END RESULT OF MEIOSIS IS...

a)

FOUR UNIDENTICAL GAMETES

b)

FOUR IDENTICAL GAMETES

c)

TWO IDENTICAL GAMETES

d)

TWO UNIDENTICAL GAMETES

18.

THE GAMETES ARE CONSIDERED TO HAVE ONE HALF OF THE GENETIC INFO SO IT IS CALL

a)

DIPLOID (2N)

b)

DIPLOID (N)

c)

HAPLOID (2N)

d)

HAPLOID (N)

19.

THE STRUCTURE THAT CONTAINS THE DNA IS CALLED (CHOOSE THE MOST SPECIFIC ANSWER)

a)

CHROMOSOME

b)

CELL BODY

c)

CELL

d)

NUCLEUS

20.

MALE GAMETE IS KNOWN AS

a)

EGG

b)

SPERM

21.

A FEMALE GAMETE IS KNOWN AS

a)

EGG

b)

SPERM

22.

HOW MANY CHROMOSOMES DO HUMAN GAMETES HAVE?

a)

46

b)

23

c)

47

d)

22

23.

CROSSING OVER ALLOWS FOR WHAT TO HAPPEN?

a)

ALL CELLS TO STAY THE SAME

b)

GENETIC VARIATION

c)

REDUCTION OF CHROMOSOMES

d)

CHROMOSOME NUMBER TO INCREASE

24.

WHEN THE SPERM FERTILIZES THE EGG WHAT IS FORMED

a)

ZYGOTE

b)

EMBRYO

c)

FETUS

d)

FERTILIZATION

25.

FERTILZATION IS ...

a)

THE FUSION OF A HAPLOID EGG AND SPERM

b)

THE FUSION OF A DIPLOID EGG AND SPERM

c)

THE FUSION OF A HAPLOID EGG AND DIPLOID SPERM

d)

THE FUSION OF TWO EGGS

26.

WHY ARE THE CHROMOSOMES EVEN NUMBERED FOR ORGANISIMS?

a)

JUST A COINCIDENCE

b)

BECAUSE 75% OF THE INFO COMES FROM MOM AND 25% COMES FROM DAD

c)

BECAUSE 51% OF THE INFO COMES FROM MOM AND 49% COMES FROM DAD

d)

BECAUSE HALF OF THE GENTIC INFORMATION COMES FROM MOM AND HALF COMES FROM DAD

27.

THIS IMAGE SHOWS WHAT IS HAPPENING WITH THE CHROMOSOMES?

a)

NON- DISJUNCTION

b)

METAPHASE

c)

TELOPHASE

d)

CROSSING OVER

28.

The idea of non-disjunction of the 21st chromosome means the following:

a)

complete seperation of chromosomes

b)

complete seperation of genes

c)

failure for chromosomes to seperate

d)

failure for genes to seperate

29.

To find out how much variation an organism with a diploid number of 20 chromosomes would have you would need to do the following

a)

20^2

b)

2^10

c)

2^20

d)

10^2

30.

Chromosomes assort independantly, not genes because of the following

a)

The chromosomes contain the genes, genes can't leave the chromosome

b)

The genes contain the chromosomes

c)

It depends on the sex of the offspring

d)

In sexual selection of most organisms the genes will be directed by the DNA to assort independantly

31.

Explain the karyotype of this individual

a)

Male - no genetic defect

b)

Male - Down's Syndrome

c)

Female - no genetic defect

d)

Female - Down's Syndrome

32.

CROSSING OVER ALLOWS FOR WHAT TO HAPPEN?

a)

ALL CELLS TO STAY THE SAME

b)

GENETIC VARIATION

c)

REDUCTION OF CHROMOSOMES

d)

CHROMOSOME NUMBER TO INCREASE

33.

The idea of non-disjunction of the 21st chromosome means the following:

a)

complete seperation of chromosomes

b)

complete seperation of genes

c)

failure for chromosomes to seperate

d)

failure for genes to seperate

34.

Cells that have pairs of chromosomes are called.....

a)

diploid cells

b)

haploid cells

c)

zygotes

d)

homologous chromosomes

35.

What kind of reproduction happens when one parent produces offspring without meiosis or fertilization?

a)

sexual

b)

asexual

c)

homologous

d)

fission

36.

Type of asexual reproduction when a cell divides and forms 2 genetically identical cells?

a)

fission

b)

budding

c)

regeneration

d)

cloning

37.

The type of asexual reproduction when an offspring grows from a piece of its parent.....

a)

fission

b)

budding

c)

regeneration

d)

cloning

38.

What is the primary cause of genetic variation during meiosis?

a)

chromosomes lining up

b)

"crossing over" of chromosomes

c)

separation of chromosomes

d)

chromosomes pulling apart

39.

Proteins are polymers of __________.

a)

amino acids

b)

fatty acids

c)

carboxylic acids

d)

nucleic acids

40.

All proteins

a)

have a unique structure that determines their unique function.

b)

are exactly the same in function but different in structure.

c)

are exactly the same in structure but different in function.

d)

are enzymes.

41.

The order of amino acids determines the ______ and ultimately the function of a protein.

a)

shape

b)

color

c)

flavor

d)

texture

42.

The monomers of a protein are __________

a)

monosaccharides

b)

amino acids

c)

fatty acids

d)

nucleotides

43.
What would the complimentary DNA strand be to this DNA template?
TTC  CGA
a)
AAG  GCT
b)
AAG GCU
c)
CCG  GCT
d)
UUG  GCA
44.
What would the complimentary DNA strand be to this DNA template?
CGA
a)
GTU
b)
GCU
c)
GCT
d)
TCA
45.
What would the complimentary DNA strand be to this DNA template?
GTT  TCA  AGC
a)
CAT  TAC  CGA
b)
GUU  AGU UCG
c)
ACC CGC  CGA
d)
CAA  AGT  TCG
46.
What is the process of turning DNA into mRNA?
a)
Central Dogma
b)
Transcription
c)
Translation
d)
Trapezoid
47.
DNA codes for (or makes)  a _______________?
a)
Protein
b)
Life form
c)
chromosome
d)
mRNA strand
48.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains uracil
49.
Which of the following monomers are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
50.
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
51.
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
52.

A process in which DNA has the unique ability to make an exact copy of itself.

a)

Replication

b)

Translation

c)

Transcription

d)

Protein Synthesis

53.
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
54.
Who was given credit for determining the shape of DNA? 
a)
Avery
b)
Watson and Darwin
c)
Watson and Crick
d)
Franklin and Crick
55.
What process is shown in the diagram?
a)
replication
b)
transcription
c)
mitosis
d)
translation
56.

Which of these is not a possible nitrogenous base in a DNA molecule?

a)

Adenine

b)

Thymine

c)

Guanine

d)

All of these are possible bases

57.

Mr. Erwin Chargaff is credited for discovering the property of base pairing in DNA. When studying DNA, he noticed that certain nitrogenous bases liked pairing with each other. Which of these base pairings is correct?

a)

Cytosine and Guanine

b)

Adenine and Thymine

c)

Both of these are correct

d)

None of these are correct

58.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
59.
Which of the following is not a nitrogen base found in DNA?
a)
Thymine
b)
Uracil 
c)
Guanine
d)
Adenine
60.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
61.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
62.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
63.
What process does a multi-cellular organism use to replace its damaged body cells?
a)
mitosis
b)
meiosis
c)
replication
d)
transcription
64.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
65.
Identify the stage of mitosis. 
a)
interphase
b)
prophase
c)
anaphase
d)
cytokinesis
66.

Centrioles pull the chromosomes apart towards the opposite sides of the cell describes:

a)

Prophase

b)

Metaphase

c)

Telophase

d)

Anaphase

67.

In which phase does a cell spend most of its life?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

68.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
69.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

70.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast

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