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Worksheets

Cell Cycle

Total questions: 32

Worksheet time: 16mins

Name
Class
Date
1.

Which is the subunit (monomer) for Nucleic Acids?

a)

Nucleotides

b)

Amino Acids

c)

Sugar

d)

Fatty acids

2.

DNA replication occurs during which phase of the cell cycle?

a)

G1

b)

S

c)

G2

d)

M

3.

The cell splits during which phase of the cell cycle?

a)

G1

b)

S

c)

G2

d)

M

4.

The nucleus splits during which phase of the cell cycle?

a)

G1

b)

S

c)

G2

d)

M

5.

The cell experiences growth during which phase of the cell cycle?

a)

G1

b)

S

c)

G2

d)

M

6.

The cell stops growing and continues its job during which phase of the cell cycle?

a)

G1

b)

S

c)

G0

d)

M

7.

Which step of mitosis has the nuclear membrane break down and Chromosomes form?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

8.

Which step of mitosis has the Chromosomes line up in the middle of the cell?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

9.

Which step of mitosis has the Chromosomes pulled apart and moving to opposite sides of the cell?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

10.

Which step of mitosis has the nuclear membrane re-forming in two different places in the cell?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

11.

G1, S, G0, and G2 are all considered which phase of the cell cycle?

a)

Prophase

b)

Metaphase

c)

interphase

d)

Telophase

12.

This is the enzyme that unwinds the DNA to prepare for replication

a)

helicase

b)

polymerase

c)

replicase

d)

Ligase

13.

This is the enzyme that copies the DNA to make new DNA, adding nucleotides.

a)

helicase

b)

polymerase

c)

replicase

d)

Ligase

14.

This is the enzyme that copies fills in the gaps left behind by DNA Polymerase

a)

helicase

b)

polymerase

c)

replicase

d)

Ligase

15.

Which part of the cell cycle divides the cytoplasm, making 2 daughter cells

a)

Mitosis

b)

Cytokinesis

c)

G1

d)

S

16.

Which part of the cell cycle divides the nucleus, making 2 nuclei? This insures that each new cell gets a copy of the DNA.

a)

Mitosis

b)

Cytokinesis

c)

G1

d)

S

17.

Arrange these steps in the correct order

a)

III, IV, I, II, VI, V

b)

I, II, III, IV, V, VI

c)

III, VI, I, IV, II, V

d)

VI, IV, III, II, I, V

18.

DNA replication results in two DNA molecules,

a)

each one with two original strands

b)

each one with one new strand and one original strand

c)

each one with two new strands

d)

one with two new strands and the other with two original strands

19.

Which kinds of bonds are considered weak and easily broken by helicase?

a)

Hydrogen Bonds

b)

Covalent Bonds

c)

Ionic Bonds

d)

Van der Waals Attractions

20.

Adenine bonds with ______________.

a)

Guanine

b)

Cytosine

c)

Thymine

d)

Adenine

21.

Guanine bonds with ______________.

a)

Guanine

b)

Cytosine

c)

Thymine

d)

Adenine

22.

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

23.

Why does DNA stay in the nucleus?

a)

It cannot move. 

b)

It is grounded. 

c)

It is lazy. 

d)

To protect it from becoming damaged.

24.

How is cancer related to the cell cycle?

a)

There is a problem with checkpoints, causing the cell to divide out of control

b)

There is a problem with Mitosis, making the cell constantly divide.

c)

There is a problem with S phase, causing the cell to continually make new DNA.

d)

There is a problem with G1 phase. The cell keeps growing uncontrollably.

25.

Every time a Gene is expressed, a _________ is made.

a)

Nucleic Acid

b)

Carbohydrate

c)

Protein

d)

fat

26.

What role does DNA play for life?

a)

Provides Nutrients

b)

Encodes (stores and transmits) genetic information

c)

Burned for Short-term energy

d)

Burned for Long-term energy

27.

When cell growth is not controlled, a __________ will form.

a)

Tumor

b)

Organ

c)

Tissue

d)

Organelle

28.

How does cancer spread throughout the body?

a)

Tumors rupture, allowing cells to enter the surrounding tissue and grow new tumors.

b)

Tumors spread like a virus. They destroy cells and little tumors come bursting out to spread throughout the body.

c)

White blood cells move cancer cells through the body.

d)

Tumors never spread. The cells stay where they are growing.

29.

What are the 2 reasons an organism's cells will go through the cell cycle? select all that apply.

a)

Growth of the organism

b)

Healing

c)

the cell is too small.

d)

The organism needs new DNA.

30.

Which process is used to ensure that the resulting daughter cells each have an exact copy of the DNA?

a)

Cytokinesis

b)

Mitosis

c)

G1

d)

G2

31.

Which process ensures that the cell is divided into two separate cells?

a)

Cytokinesis

b)

Mitosis

c)

G1

d)

G2

32.

Humans have 23 pairs of chromosomes. After Mitosis, how many chromosomes will the daughter cells have?

a)

46 pair

b)

23

c)

23 pair

d)

11.5 pair