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Ch. 4-Cellular Metabolism-DNA

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

All DNA sequences within a nucleus is the _____.

a)

genome

b)

gene

c)

chromatin

d)

histone

2.

A strand of DNA has the sequence TCAGGCTAT. What is the sequence of its complementary DNA strand?

 

a)

UCAGGCUAU

b)

AGTCCGATA

c)

AGUCCGAUA

d)

TCAGGCTAT

3.

New nucleotides are assembled into a DNA strand that is complementary to the existing DNA strand occurs in _____.

a)

transcription

b)

translation

c)

mutation

d)

DNA replication

4.

It is single stranded and includes the bases A, U, C, and G.

a)

DNA

b)

RNA

c)

ribosome

d)

mitochondria

5.

What nitrogenous base is part of DNA, but not RNA?

a)

thymine

b)

uracil

c)

guanine

d)

cytosine

6.

Any molecule within a cell that has a uracil group will also contain__________.

a)

deoxyribose

b)

ribose

c)

glucose

d)

glycerol

7.

_____is the process by which a mRNA strand is built using a DNA sequence as a template.

a)

translation

b)

dehydration synthesis

c)

replication

d)

transcription

8.

Transcription produces mRNA and translation produces protein.

a)

true

b)

false

9.

During the process of translation, what type of bond forms between the amino acids of the growing polypeptide strand?

a)

peptide bonds

b)

hydrogen bonds

c)

ionic bonds

d)

high energy bonds

10.

Codons are found in the _____.

a)

mRNA

b)

tRNA

c)

rRNA

d)

proteins

11.

A error in a DNA sequence is a _____.

a)

mutation

b)

variation

c)

beneficial

12.

_____is the term for the physical or chemical agent, such as ultraviolet radiation, that can induce DNA damage and potentially result in disease?

a)

antioxidant

b)

chaperone

c)

mutagen

d)

initiator