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Worksheets

Protein

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

What is a functional group in M?

a)

Carbonyl

b)

Hydroxyl

c)

Amine

d)

Sulfhdryl

2.

Name the process to produce product in the figure

a)

Dehydration

b)

Condensation

c)

Hydrolysis

3.

Identify bond K

a)

ester bond

b)

peptide bond

c)

glycosidic bond

d)

hydrogen bond

4.

The alpha helix of proteins is

a)

part of tertiary structure and is stabilized by disulfide bridges

b)

a double helix

c)

stabilized by hydrogen bonds and commonly found in fibrous protein

d)

found in some regions of globular proteins and stabilized by hydrophobic interactions

5.

Beta pleated sheets are characterized by

a)

hydrogen bonds between adjacent cellulose

b)

membrane sheets composed of phospholipids

c)

folds stabilized by hydrogen bonds between segments of the polypeptide backbone

d)

parallel regions of the polypeptide chain held together by hydrophobic interactions

6.

Which of these molecules would provide the most energy (kcal/g) when eaten?

a)

Glucose

b)

Starch

c)

Protein

d)

Fat

7.

which of the following is not a function performed by proteins?

a)

transport of oxygen in the blood

b)

the catalyst for metabolic reactions

c)

primary components of cell membranes

d)

protection against disease

8.

What happens when protein dentures?

a)

it loses its primary structure

b)

it loses its secondary and tertiary structure

c)

it hydrolyzes into component amino acids

d)

it becomes irreversibly insoluble and precipitates

9.

Identify interaction in S

a)

Hydrophobic interactions

b)

Disulphide bridges

c)

Hydrogen bonds

d)

van de walls

10.

Choose the correct interaction

a)

Q- Ionic bonds

b)

S- hydrophobic interaction

c)

R- disulphide bridges

d)

P - Hydrogen bonds