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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
Which of the following is a nonstandard amino acid?

Isoleucine
Histidine
Cysteine
Hydroxyproline

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Structure and Properties of Amino Acids
When the amino acid alanine (R-group is CH3) is added to a solution with a pH of 7.3, alanine becomes

a cation
nonpolar
an isotope
a zwitterions

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Structure and Properties of Amino Acids
How many different amino acids are there?

20
3
An infinite number
100

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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
Aspartic acid
Asparagine
Glutamine

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Structure and Properties of Amino Acids
The sequence of letters 'WYQN' will represent

Glutamine, tyrosine, tryptophan, aspartic acid
Tryptophan, tyrosine, glutamic acid, asparagine
Tryptophan, glutamine, tryptophan, asparagine
Tryptophan, tyrosine, glutamine, asparagine

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

ambions
amphions
ion conversion
zwitterions

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MORE MCQ ON Structure and Properties of Amino Acids

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