Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

AP Biology Unit 1 Proteins

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which of the following element(s) are found in proteins?

a)

Carbon / Hydrogen

b)

Oxygen

c)

Phosphorus

d)

Nitrogen

e)

Sulfur

2.

Which of the following is the monomer of a protein?

a)

Amino acid

b)

Monosaccharide

c)

Nucleotide

d)

Steroid

3.

Which of the following functional groups is found in all amino acids?

a)

Amino

b)

Carboxyl

c)

Hydroxyl

d)

Sulfhydryl

4.

Which of the following requires the dehydration reaction of two amino acids?

a)

Carboxyl group of first amino acid binds with carboxyl group of second amino acid

b)

Carboxyl group of first amino acid binds with amino group of second amino acid

c)

R group of first amino acid binds with R group of second amino acid

d)

Amino group of first amino acid binds with amino group of second amino acid

5.

Which of the following bonds is found in the secondary structure of a protein?

a)

Hydrogen

b)

Peptide

c)

Covalent

d)

Ionic

6.

Which of the following structures involves the R groups interacting in a single polypeptide?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

7.

The amino acid glutamic acid has a R group with a negative charge. During folding, which of the following describes the orientation of the R group?

a)

Exterior of protein due to negative charge providing hydrophilic properties

b)

Exterior of protein due to negative charge providing hydrophobic properties

c)

Interior of protein due to negative charge providing hydrophobic properties

d)

Interior of protein due to negative charge providing hydrophilic properties

8.

In terms of directionality of the protein, which of the following provides naming for the side with the amino group?

a)

A-terminus

b)

C-terminus

c)

N-terminus

d)

S-terminus

9.

In terms of directionality of the protein, which of the following provides naming for the side with the carboxyl group?

a)

A-terminus

b)

C-terminus

c)

N-terminus

d)

S-terminus

10.

Which of the following identifies the number of water molecules needed to remove the amino acids from a polypeptide with 20 amino acids?

a)

19

b)

20

c)

21

d)

22