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Honors Unit 3 Cell Cycle and DNA

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

What is the complimentary strand of this sequence:

5' ATCGGAGTT 3'

a)

5' ATCGGAGTT 3'

b)

5' AACTCCGAT 3'

c)

3' TAGCCTCAA 5'

d)

3' AAGCCTCAA 5'

2.

Adenine pairs with

a)

Thymine

b)

Cytosine

c)

Guanine

d)

Uracil

3.

In which phase of interphase does the cell rest

a)

G1

b)

G0

c)

G2

d)

S Phase

4.

Which main stage of the cell cycle does arrow 1 represent?

a)

Cytokinesis

b)

Cell Division

c)

G1

d)

Interphase

5.

The square identified in the diagram represents

a)

a phosphate

b)

a deoxyribose

c)

a nitrogen base

d)

a nucleotide

6.

Which diagram is metaphase

a)

A

b)

B

c)

C

d)

D

7.

Which phase of mitosis is this?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

8.

If a DNA molecule contains 30% adenine, what percentage of cytosine would it contain?

a)

20%

b)

70%

c)

40%

d)

100%

9.

What are the three parts of a nucleotide?

a)

Phosphate, nitrogen base, deoxyribose sugar

b)

phosphate, nitrogen base, ribose sugar

c)

amino acid, phosphate, nitrogen base

d)

deoxyribose and ribose sugar

10.

The enzyme that matches adenine to thymine and cytosine to guanine

a)

Ligase

b)

DNA Polymerase

c)

Helicase

d)

Replicase

11.

Enzyme that breaks the hydrogen bonds separating the two strands of nucleotides

a)

Ligase

b)

DNA Polymerase

c)

helicase

d)

replicase

12.

If spindle fibers do not form will mitotic division stop in metaphase

a)

Yes

b)

No

13.

True or False. To repair injured areas and heal, a cell goes through the cell cycle to make new cells.

a)

True

b)

False

14.

Which diagram represents telophase?

a)

A

b)

B

c)

C

d)

D

15.

Differences in traits of organisms are determined by

a)

different nucleotide sequences

b)

different blood types

c)

different numbers of chromosomes

d)

different types of phosphates

16.

Bonds that form between the nitrogen bases of DNA are

a)

nitrogen bonds

b)

covalent bonds

c)

hydrogen bonds

d)

phosphate bonds