Question 1

Which of the following correctly describes a peptide bond?

Accepted Answer

A)  a bond between sp3-hybridized atoms only
B)  a bond usually found in the s-cis conformation
C)  an amide bond
D)  the result of the formation of the carbonyl group of one amino acid with a R-group from the other amino acidE) A) and B)
F) A) and C)

Question 2

Which is the correct structure for the amino acid proline?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) A) and B)
F) A) and C)

Question 3

What amino acid is at the C-terminus of the following peptide?

Accepted Answer

A)  Valine
B)  Serine
C)  Alanine
D)  ProlineE) A) and C)
F) B) and C)

Question 4

What is the product of the following reaction? (Assume workup to neutralize.)

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) B) and C)
F) A) and D)

Question 5

What is the product of the following reaction? (Assume workup to neutralize.)

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and B)
F) B) and D)

Question 6

Below is a proposed method for resolving a racemic mixture of (R) - and (S) -phenylalanine.Upon separation of the products,will this method produce (R) - or (S) -phenylalanine?

Accepted Answer

A)  (R) -Phenylalanine is produced since the acylase only hydrolyzes the amides of L-amino acids.
B)  (S) -Phenylalanine is produced since the acylase only hydrolyzes the amides of L-amino acids.
C)  (R) -Phenylalanine is produced since the acylase only hydrolyzes the amides of D-amino acids.
D)  (S) -Phenylalanine is produced since the acylase only hydrolyzes the amides of D-amino acids.E) C) and D)
F) A) and B)

Exam 27: Amino Acids and Proteins

What is the product of the following reaction? (Assume workup to neutralize.)

Correct Answer
verified

What amino acid is at the C-terminus of the following peptide?

Correct Answer
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Which is the correct structure for the amino acid proline?

Correct Answer
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What is the product of the following reaction? (Assume workup to neutralize.)

Correct Answer
verified

Which of the following correctly describes a peptide bond?

Correct Answer
verified

Below is a proposed method for resolving a racemic mixture of (R) - and (S) -phenylalanine.Upon separation of the products,will this method produce (R) - or (S) -phenylalanine?

Correct Answer
verified

Exam 27: Amino Acids and Proteins

What is the product of the following reaction? (Assume workup to neutralize.)

Correct AnswerverifiedShow Answer

What amino acid is at the C-terminus of the following peptide?

Correct AnswerverifiedShow Answer

Which is the correct structure for the amino acid proline?

Correct AnswerverifiedShow Answer

What is the product of the following reaction? (Assume workup to neutralize.)

Correct AnswerverifiedShow Answer

Which of the following correctly describes a peptide bond?

Correct AnswerverifiedShow Answer

Below is a proposed method for resolving a racemic mixture of (R) - and (S) -phenylalanine.Upon separation of the products,will this method produce (R) - or (S) -phenylalanine?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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