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Proteins & Nucleic Acids - AP Biology

Total questions: 20

Worksheet time: 3600secs

Name
Class
Date
1.

Monomer of proteins

a)

carboxylic acid

b)

inorganic acid

c)

amino acid

2.

Numbers of amino acids used to build protein in organisms

a)

12

b)

20

c)

22

3.

Amino acids differ in side chain groups or _____.

a)

L groups

b)

O groups

c)

R groups

4.

Amino acids are linked by

a)

ester bonds

b)

peptide bonds

c)

thiosulfide bonds

5.

Polymers of nucleotides

a)

Carboxylic acids

b)

Amino acids

c)

Nucleic acids

6.

Types of nucleic acids

a)

1

b)

2

c)

3

7.

Two types of nucleic acids

a)

DNA

b)

RNA

c)

CNA

8.

Nucleotides are made of

a)

sugar + phosphate + nitrogen base

b)

sugar + sulphate + nitrogen base

c)

phosphate + nitrogen base

9.

What is the monomer of Nucleic acids?

a)

Monosaccharides

b)

Fatty Acids

c)

Nucleotides

d)

Amino Acid

10.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
11.
What are the components of a nucleotide?
a)
nitrogen base, phosphate group, and pentose sugar
b)
pentose sugar, purine, and pyrimidine
c)
nitrogen base and a phosphate group
d)
DNA, phosphate group, monosaccharide
12.
All organic compounds contain the element
a)
carbon
b)
nitrogen
c)
phosphorus
d)
sulfur
13.
Which macromolecule is shown?
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
14.

Enzymes are an example of which macromolecule?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

15.

Which of the following are examples of protein?

a)

cutin, waxes, fats, oils

b)

Collagen, enzymes, hemoglobin, insulin, and antibodies

c)

DNA& RNA

d)

Glucose, sucrose, glycogen, and cellulose

16.

The image shows which structure of protein?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

17.

Match the protein with the correct picture.

a)
b)
c)
d)
18.
What are polypeptides?
a)
chains of carbohydrates
b)
chains of amino acids
c)
chains of fatty acids
d)
chains of nucleic acids
19.
Amino acids are different from one another due to .......
a)
their differing carboxyl group
b)
their differing amine group
c)
their differing R group
d)
their differing carbon backbone
20.
Which parts of the amino acid react with another amino acid to form a peptide bond?
a)
The carboxyl group and the R group
b)
The carboxyl group and the amino group
c)
The amine group and the R group
d)
The R group and carbon backbone