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Worksheets

Big Bang Proteins!

Total questions: 25

Worksheet time: 5mins

Name
Class
Date
1.

Which amino acid is W?

a)

Trp

b)

Tyr

c)

Thr

d)

Gln

2.

A -CH2SH is the R group of which amino acid?

a)

M

b)

C

c)

S

d)

Q

3.

Which are the two acidic amino acid?

a)

D and E

b)

Q and R

c)

K and H

d)

C and M

4.

Which of the following amino acids are S-containing?

a)

D and E

b)

K and H

c)

P and F

d)

C and M

5.

Which of these amino acids is not glucogenic?

a)

F

b)

K

c)

G

d)

S

6.

Which of the following is exclusively ketogenic?

a)

W

b)

T

c)

Y

d)

K

7.

Which is not essential amino acid?

a)

Methionine

b)

Serine

c)

Cysteine

d)

Alanine

8.

Which of the following is derived from tryptophan?

a)

Dopamine

b)

Melatonin

c)

Tyrosine

d)

Histamin

9.

Which of the following is produced from tyrosine?

a)

Norepinephrine

b)

Serotonin

c)

Histamine

d)

2 of the Above

10.

Which of the following has the longest peptide chain?

a)

Oxytoxin

b)

ADH

c)

Enkephalins

d)

GSH

11.

Using the pKa table in your notes, what will be charge of Asp at pH of 3.06?

a)

+1

b)

0

c)

-1

d)

-2

12.

Using the pKa table in your notes, what will be charge of Ser at pH of 10.1?

a)

+1

b)

0

c)

-1

d)

-2

13.

Which of the following is not classified as aromatic?

a)

Tyr

b)

Thr

c)

Pro

d)

Top

14.

Which is the only achiral amino acid?

a)

Gln

b)

Glu

c)

Gly

d)

All of the Above

15.

Which is classified as branched amino acid?

a)

Ser

b)

Val

c)

Pro

d)

Ala

16.

Water-soluble.

a)

Fibrous

b)

Globular

17.

Composed of a single type 2° structure.

a)

Fibrous

b)

Globular

18.

Backbone of the peptide chain.

a)

Primary structure

b)

Secondary structure

c)

Tertiary structure

d)

Quaternary structure

19.

β-pleated sheets

a)

Primary structure

b)

Secondary structure

c)

Tertiary structure

d)

Quaternary structure

20.

Disulfide bonds.

a)

Primary structure

b)

Secondary structure

c)

Tertiary structure

d)

Quaternary structure

21.

Which of the following causes globular shapes to elongate?

a)

Violent Whipping

b)

UV

c)

Micorwave

d)

Reducing Agent

22.

Which of the following does not disrupt H-bond resulting to violent molecular vibration?

a)

Heat

b)

UV

c)

Microwave

d)

Detergent

23.

Which amino acid is most likely to become susceptible to denaturation by heavy metals?

a)

Cys

b)

Ala

c)

Tyr

d)

Gly

24.

Which is a contractile protein?

a)

Hemoglobin

b)

Myosin

c)

Ferritin

d)

Collagen

25.

Which protein is responsible for "on/off" function of enzymes?

a)

Transferrin

b)

Keratin

c)

Ubiquitin

d)

Myoglobin