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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
Stereo chemical configuration of all a-amino acids derived from proteins is

L
D
None of these
L and D

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Structure and Properties of Amino Acids
Which amino acids would most likely reside in the membrane-anchoring domain of a membrane embedded protein?

Phenylalanine, valine, and aspartate
Isoleucine, valine and phenylalanine
Lysine, arginine and histidine
Leucine, threonine, and lysine

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Structure and Properties of Amino Acids
Molecules that bear charged groups of opposite polarity are known as

ambions
amphions
zwitterions
ion conversion

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Structure and Properties of Amino Acids
The α-amino acids have a carboxyl group with a pK around __________ , and an amino group with a pK near __________ .

2.2, and 9.4
3.3, and 10.5
1.1, and 12.1
6.5, and 8.0

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Structure and Properties of Amino Acids
Amino acids required in the human diet and not synthesized by the body are called

accessory
essential
specialized
trace

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Structure and Properties of Amino Acids
Which of the following amino acids can form hydrogen bonds with their side (R) groups?

All of these
Glutamine
Asparagine
Aspartic acid

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MORE MCQ ON Structure and Properties of Amino Acids

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