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Biology Quiz on Macromolecules

Total questions: 17

Worksheet time: 12mins

Name
Class
Date
1.

Polymer is a long molecules consisting of many___________

a)

monomers

b)

Polymers

c)

Polysaccharides

d)

This is the answer

2.

Monomers are the repeating units that serve as the building blocks of a_________

a)
polymer
b)

Monomer

c)

Monopoly

d)

Fatty acids

3.

Dehydration reaction joins monomers and makes a polymer. True/ False

a)

True

b)

False

4.

Hydrolysis reaction breaks down a polymer into ________ with help of ___________ molecule. True/ False

a)

monomers

b)

water

c)

Carbohydrates

d)

Carboxyl

5.

Can humans synthesize or store starch. True/ False

a)

True

b)

False

6.

A fatty acid is not a monomer. One or 3 fatty acids bonded to a _________________ makes a fat.

a)
glycerol
b)

Water molecule

c)

Carbohydrates

d)

Amino acids

7.

Cholesterol is fat. True/False (steroid)

a)

True

b)

False

8.

A phospholipid has ____________ head and ______________tail.

a)

hydrophilic

b)

hydrophobic

c)

Phospholipids

d)

Lipids

9.

Every membrane is made of ____ layers of ____________

a)

phospholipids

b)

lipids

c)

Amino acids

d)

Saturated fats

10.

If a protein is made of 80 amino acids then there are ________ peptide bonds.

a)
79
b)

66

c)

73

d)

50

11.

Primary structure of protein consists of chain of amino acids bonded by peptide bonds. T/F

a)

True

b)

False

12.

Secondary and tertiary structure of amino acids is formed by folding and primary chain of amino acids and weak bonds between various regions of the peptide chain. T/F

a)

True

b)

False

13.

Quaternary level of protein structure is found only when the protein is made of more than __2____ polypeptide chains.

a)
2
b)

3

c)

5

d)

10

14.

High fever, of 106 degrees or more, is considered dangerous because at this temperature ____secondary, tertiary, quaternary___ levels of structures of proteins are affected, resulting in denaturation.

a)

secondary

b)

tertiary

c)

quaternary

d)

Primary

15.

If I eat chicken sandwich, then that chicken's muscle protein gets directly added to my muscle. T/False

a)

True

b)

False

16.

Genetic disorders are due to faulty genes that direct synthesis of faulty proteins. T/F

a)

True

b)

False

17.

Give an example of a genetic disorder related to structure and function (or malfunction) of large biological molecules?

4 lines