Amino Acids Questions & Answers - Page 6

26.

Which amino acids would most likely reside in the membrane-anchoring domain of a membrane embedded protein?

A.

Isoleucine, valine and phenylalanine

B.

Phenylalanine, valine, and aspartate

C.

Leucine, threonine, and lysine

D.

Lysine, arginine and histidine

Correct answer is A

No explanation has been provided for this answer.

27.

What is the product of the catabolic breakdown of Arginine?

A.

Alpha-ketoglutarate

B.

Fumarate

C.

Oxaloacetate

D.

Succinate

Correct answer is A

No explanation has been provided for this answer.

28.

Molecules that bear charged groups of opposite polarity are known as

A.

zwitterions

B.

ambions

C.

ion conversion

D.

amphions

Correct answer is A

No explanation has been provided for this answer.

29.

The isoelectric point of an amino acid is defined as the pH

A.

where the molecule carries no electric charge

B.

where the carboxyl group is uncharged

C.

where the amino group is uncharged

D.

of maximum electrolytic mobility

Correct answer is A

No explanation has been provided for this answer.

30.

Which of the following amino acids can form hydrogen bonds with their side (R) groups?

A.

Asparagine

B.

Aspartic acid

C.

Glutamine

D.

All of these

Correct answer is D

No explanation has been provided for this answer.