Lesson 3 P1: Protein

Question 1

Protein is composed of
__% C, __% H, __% O, __% N, __% P.

Answer 1

53% C
7% H
23% O
16% N
1% P

Question 2

What are the three classification of protein?

Answer 2

Simple protein, Conjugated, Fibrous or Globular

Question 3

What are some examples of simple protein?

Answer 3

Albumin, Globulin, Histones, Glutelin, Prolamin, Protamine

Question 4

What are some examples of conjugated protein?

Answer 4

Nucleoprotein, phosphoprotein, lipoproteins, glycoproteins

Question 5

What are some examples of fibrous proteins?

Answer 5

Elastin, collagen, keratin

Question 6

What are some examples of globular proteins?

Answer 6

Heme component, enzyme, and hormones

Question 7

What protein is capable to dissolve in both water and salt solution?

Answer 7

Albumin

Question 8

What protein is insoluble to both water and salt solution?

Answer 8

Scleroprotein

Question 9

What protein is capable to dissolve in 70-80% of ethanol, but insoluble to water and ethanol.

Answer 9

Protamine

Question 10

What protein is insoluble in water, but can be soluble when salt concentration is increased.

Answer 10

Globulin