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AMINO ACIDS AND PROTEINS

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.

Non polar amino acid with aliphatic R group, EXCEPT:

a)

L

b)

V

c)

I

d)

F

2.

Both ketogenic and glucogenic

a)
b)
c)
d)
3.

Chiral molecules are molecules with four non-identical functional group attached to the central atom. Which in the structure below is the only ACHIRAL amino acid?

a)
b)
c)
d)
4.

The amino acid that is considered as a precursor for dopamine, norepinephrine (noradrenalin), and epinephrine (adrenaline)

a)
b)
c)
d)
5.

In an acid-base reaction, the following statements are true, EXCEPT:

a)

Low pH: All acid groups are protonated

b)

Low pH: All amino groups protonated

c)

High pH: All acid groups are protonated

d)

Neutral pH: All amino groups are protonated

6.

Name the peptide N-C-W

a)

Tryptophylcysteinylasparagine

b)

Asparaginylcysteinyltryptophan

c)

Asparagylcysteyltryptophyl

d)

Asparagylcysteinyltryptophan

7.

Which of the following amino acids is capable of ionic bond or salt bridges

a)

V + G

b)

C + C

c)

D + K

d)

R + H

8.

Simple protein, EXCEPT

a)

Albumin

b)

Globulin

c)

Prolamine

d)

Hemoglobin

9.

This conjugated protein is responsible as oxygen binder in muscles

a)

LDL

b)

Interferon

c)

Iron-ferritin

d)

myoglobin

10.

H-bond belongs to what level of structural organization

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

11.

Fibrous proteins found in blood clots

a)

Collagen

b)

Fibrin

c)

Myoglobin

d)

Immunoglobulins

12.

Insulin is a protein classified based on function as

a)

Catalytic

b)

Structural

c)

Transport

d)

Messenger

13.

IgM is an example of what class of protein based on function

a)

Storage

b)

Defense

c)

Catalytic

d)

Transport

14.

Amylase

a)

Catalytic

b)

Defense

c)

Transport

d)

Storage

15.

Actin and myosin

a)

Structural

b)

Messenger

c)

Contractile

d)

Defense