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DNA RNA Review

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

What sugar does DNA have in its backbone?

a)

Ribose

b)

Deoxyribose

c)

Glucose

d)

Fructose

2.

What sugar does RNA have in its backbone?

a)

Ribose

b)

Deoxyribose

c)

Glucose

d)

Fructose

3.

Which nucleic acid is double-stranded?

a)

DNA

b)

RNA

4.

Which nucleic acid is single-stranded?

a)

DNA

b)

RNA

5.

Which combination of nucleotides does RNA have?

a)

A, C, U, and T

b)

G, U, A, T

c)

A, C, G, T

d)

A, C, G, U

6.

What combination of nucleotides does DNA have?

a)

A, C, U, and T

b)

G, U, A, T

c)

A, C, G, and T

d)

A, C, G, and U

7.

What make the backbone of DNA? Check all that apply.

a)

Deoxyribose

b)

Ribose

c)

Phosphate Groups

d)

Nitrogenous Base

8.

What makes the backbone of RNA?

a)

Deoxyribose

b)

Ribose

c)

Phosphate Groups

d)

Nitrogenous Base

9.

Which molecule can only ever be found in the nucleus?

a)

RNA

b)

DNA

c)

Protein

d)

Water

10.

A nucleotide consists of what 3 components?

a)

Sugar

b)

Phosphate Group

c)

Nitrogenous Base

d)

Hydrochloric Acid

11.

What is the purpose of DNA?

a)

To insulate against the cold

b)

To make reactions happen quickly

c)

To store and transmit genes

d)

Structural Support

12.

What shape is DNA?

a)

A single helix

b)

A crstyal

c)

A double helix

d)

Primary Structure

13.

Which nitrogenous base does Thymine always pair with?

a)

Cytosine

b)

Guanine

c)

Adenine

d)

Uracil

14.

What nitrogenous base does Uracil always pair with?

a)

Cytosine

b)

Guanine

c)

Adenine

d)

Thymine

15.

Sometimes people say I look like a twisted ladder. What am I?

a)

DNA

b)

RNA

c)

DNA & RNA (Both)

16.

I use the base URACIL. What am I?

a)

DNA

b)

RNA

c)

DNA & RNA (both)

17.

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

18.

What would the other side of this strand of DNA be:  AATCATGGA

a)
AATCATGGA
b)
TTAGTACCT
c)

AGGTACTAA

d)
GGATAUCUA
19.
I travel outside of the nucleus.
a)
DNA
b)
RNA
20.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA