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Unit 4 Test Review - Cell Growth & Division

Total questions: 80

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Starting with Gap 1, what is the correct order of the cell cycle?

a)

G1 > G2 > S > M

b)

G1 > S > G2 > M

c)

G1 > M > S > G2

d)

G1 > S > M > G2

2.

What happens during G1?

a)

The cell grows and carries out normal functions

b)

The DNA in the cell is copied

c)

The cell grows a little bit more

d)

The cell divides itself

3.

What happens during S?

a)

The cell grows and carries out normal functions

b)

The DNA in the cell is copied

c)

The cell grows a little bit more

d)

The cell divides itself

4.

What happens during G2?

a)

The cell grows and carries out normal functions

b)

The DNA in the cell is copied

c)

The cell grows a little bit more preparing for mitosis

d)

The cell divides itself

5.

What happens during M?

a)

The cell grows and carries out normal functions

b)

The DNA in the cell is copied

c)

The cell grows a little bit more

d)

The cell divides itself

6.

What happens during prophase?

a)

Chromosomes condense

b)

Chromosomes line up in the middle of the cell

c)

Sister chromatids separate and move to opposite sides

d)

Chromosomes unwind

7.

What happens during metaphase?

a)

Chromosomes condense

b)

Chromosomes line up in the middle of the cell

c)

Sister chromatids separate and move to opposite sides

d)

Chromosomes unwind

8.

What happens during anaphase?

a)

Chromosomes condense

b)

Chromosomes line up in the middle of the cell

c)

Sister chromatids separate and move to opposite sides

d)

Chromosomes unwind

9.

Which phase of mitosis is being shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Cytokinesis

10.

Which phase of mitosis is being shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Cytokinesis

11.

Which phase of mitosis is being shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Cytokinesis

12.

Which phase of mitosis is being shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Cytokinesis

13.

Which phase of mitosis is being shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Cytokinesis

14.

Which 3 phases make up interphase?

a)

G1, S, & G2

b)

G1, G2, & M

c)

G2, S, & M

d)

G1, M, & G2

15.

Which of the following best represents a replicated chromosome?

a)
b)
c)
d)
16.

Which of the following best represents a sister chromatid?

a)
b)
c)
d)
17.

Which of the following statements about cytokinesis is FALSE?

a)

Cytokinesis is not a part of mitosis/it is its own phase

b)

Cytokinesis divides the cells cytoplasm

c)

After cytokinesis, cells go back into G1

d)

After cytokinesis, one of the two new cells must die

18.
Why do cells copy their DNA before mitosis occurs?
a)
so the two new cells have identical DNA
b)
so one cell can have two copies of each DNA
c)
so each new DNA has a chromosome to be part of
d)
in case some of them die
19.
What is the result of mitosis and cytokinesis
a)
two identical cells
b)
two identical chromosomes
c)
two identical nuclei
d)
two identical mitochondria
20.
What is the correct order of the stages of mitosis?
a)
prophase, metaphase, anaphase, telophase
b)
metaphase, anaphase, telophase, prophase
c)
telophase, anaphase, prophase, metaphase
21.
What is the longest phase of the cell cycle?
a)
interphase
b)
mitosis
c)
cytokinesis
22.
The region in the center of two sister chromatids that attaches to spindle fibers is the _____.
a)
centromere
b)
centriole
c)
chromosome
23.
Mitosis occurs in which of the following cells?
a)
sperm cells
b)
egg cells
c)
somatic (body) cells
24.
If a somatic body cell has 10 chromosomes, how many will each daughter cell have after mitosis?
a)
5
b)
10
c)
20
25.
Which cells are more efficient at obtaining nutrients?
a)
Small Cells
b)
Medium Size Cells
c)
Large Cells
d)
X-Large Cells
26.
How is the relationship between the cell size and the cell nutrient absorption rate determined?
W=width, L=length, H=height, SA= surface area, and V=volume
a)
(6xWxL)
b)
(WxLxH)
c)
SA ➗V
d)
V➗SA
27.
How does the SA:V ratio change as the size of the cell increases?
a)
It increases
b)
it decreases
c)
it remains the same
d)
it is not affected by cell size
28.
Which cube-shaped cell would be the most efficient?
A: .01 mm
B: 1.4 mm
a)
A
b)
B
c)
They are equally efficient
29.
Which increases at a faster rate as cell size gets larger?
a)
SA
b)
V
c)
The SA and V increase at the same rate
30.
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
31.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
32.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
33.
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
34.
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
35.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
36.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
37.
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
38.
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
39.
Which enzyme is responsible for adding nucleotides ("The Builder")?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
40.
What is the end result of replication?
a)
Two new identical strands of DNA
b)
One parent strand and one daughter strand of DNA
c)
Two new and different strands of DNA
d)
One new strand of DNA
41.
The concept that DNA is made of two strands running in opposite directions is called:
a)
Antiparallel
b)
Isomerism
c)
Enantiomerism
d)
S/R Chirality
42.
Small segments of DNA made on the lagging strand are called:
a)
Okazaki Fragments
b)
ERVs
c)
Transposable Elements
d)
Telomeres
43.
The term used to describe DNA Replication is:
a)
Semi-Conservative
b)
Conservative
c)
AntiParallel
d)
Dispersive
44.

The separation of the two single strands of DNA creates a ‘Y’ shape?

a)

enzyme

b)

unzip

c)

A replication fork

45.
Which enzyme seals okazaki fragments together on the lagging strand?
a)
Topoisomerase
b)
Helicase
c)
Polymerase
d)
Ligase
46.

This enzyme synthesizes short RNA sequences to guide DNA Polymerase

a)

Primers

b)

DNA Primase

c)

DNA Polymerase

d)

Topoisomerase

47.

In what direction does replication occur?

a)

3' ----> 5'

b)

5' -----> 3'

c)

It doesn't matter

d)

Both directions

48.

When does the cell need to replicate DNA?

a)

when it needs to make a new cell

b)

when it makes protein

c)

when it regulates key reactions

d)

all of the above

49.

Because DNA replication can only go in one direction, you get 2 different kinds of strands. What are the called?

a)

Continuous and Discontinuous

b)

First and Second

c)

Leading and Lagging

d)

Forward and Backward

50.
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
51.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
52.
What do we call DNA replication since new DNA has 1 parent strand and 1 new strand?
a)
Conservative 
b)
Semiconservative 
c)
Dispersive
53.
What is A?
a)
Leading strand
b)
Lagging strand
c)
Okazaki Fragments
d)
DNA plymerase
54.
DNA Replication is the process of turning 1 DNA molecule into...
a)
1 DNA molecule
b)
2 DNA molecules
c)
3 DNA molecules
d)
4 DNA molecule
55.
What strand is copied backwards?
a)
Leading
b)
Lagging
56.
What strand is copied faster?
a)
Leading
b)
Lagging
57.
The concept that DNA is made of two strands running in opposite directions is called:
a)
Antiparallel
b)
Isomerism
c)
Enantiomerism
d)
S/R Chirality
58.

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

59.

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

60.

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

61.

Which is the fourth 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

62.

Which letter in the picture below depicts the leading strand in DNA replication?

a)

A

b)

C

c)

B

d)

None of the above

63.

Which letter in the picture below depicts the lagging strand in DNA replication?

a)

A

b)

C

c)

B

d)

None of the above

64.

Which letter in the picture below depicts the replication fork in DNA replication?

a)

A

b)

C

c)

B

d)

None of the above

65.

If a person suffered from a disorder where their DNA fragments were unable to fill in the missing slots in between the fragments of the lagging strand, they would most likely have a disorder that affected which enzyme?

a)

DNA Helicase

b)

DNA Ligase

c)

DNA polyermase

d)

RNA Polymerase

66.

DNA replication runs from ______' to _____' and is said to be ______________________

a)

5, 3, antiparallel

b)

3, 5, antiparallel

c)

5, 3, parallel

d)

3, 5, parallel

67.

​What gray enzyme in the picture is shown removing the RNA primer?

a)

DNA ligase

b)

DNA Polymerase

c)

Exonuclease

d)

RNA Primase

68.
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'
69.

Who discovered complementary base pairing?

a)

Watson & Crick

b)

Franklin

c)

Chargaff

d)

Hershey & Chase

70.
Who made the model of the double helix?
a)
Franklin and Wilkins
b)
Watson and Crick
c)
Chargaff
d)
Hershey and Chase
71.

Who made images of DNA using xrays?

a)

Watson and Crick

b)

Franklin

c)

Chargaff

d)

Hershy and Chase

72.
What is the percentage of T?
a)
22%
b)
11%
c)
28%
d)
50%
73.
If a species has 33% A what is the percentage of C?
a)
33%
b)
17%
c)
34%
d)
67%
74.

Which of the following is a difference between sexual and asexual reproduction?

a)

regeneration is exclusive to sexual reproduction

b)

asexual reproduction occurs only in haploid organisms

c)

sexual reproduction includes the development of unfertilized eggs

d)

sexual reproduction is more likely to increase the chance of genetic variation than is asexual reproduction

75.

Sister chromatids are

a)

found only when a cell is not actively dividing

b)

tightly linked together at the centromere

c)

formed when chromatids separated during cell division

d)

made only of DNA

76.
Uncontrollable cell growth is known as _____
a)
Obesity
b)
Cancer
c)
Diabetes
d)
Hepatitis
77.

Cancerous cells have a higher mitotic index than normal cells.

a)

True

b)

False

78.

Cancer may present as

a)

few dividing cells with organized arrangement

b)

many dividing cells with disorganized arrangement

c)

normal shape

d)

normal functions

79.

Whenever the cell cycle malfunctions and the checkpoints cannot control the cells, ________________can develop.

a)

covid

b)

cancer

c)

cure

d)

corona

80.

Throughout the cell cycle, there are checkpoints that

a)

inspect the cells to make sure they are developing normally

b)

send the cells to resting states

c)

check on the cells to make sure they are there

d)

inspect the cells for accuracy

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