Biochemistry ACS Final Exam
Questions and Answers 100%
PASS
What is the difference between an apo and holoprotein—ANSWER-Apo =
protein part of an enzyme without its characteristic prosthetic group
(cofactor is not bound)
Holo = apoprotein with its prosthetic group (cofactor bound)
Many amino acids exist as what isomer?—ANSWER-L
Most alpha amino acids are _____, expect for glycine. All amino acids have
______ unique to itself.—ANSWER-Chiral, R-group/4th substituent
When naming an amino acid using biochemical designation, what carbon do
you start numbering at?—ANSWER-At the alpha carbon (one after the COO-
group)
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Glycine?—ANSWER-Glycine: G, Gly
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Alanine?—ANSWER-Alanine: A, Ala
, What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Proline?—ANSWER-Proline: P, Pro
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Valine?—ANSWER-Valine: V, Val
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Leucine?—ANSWER-Leucine: L, Leu
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Isoleucine?—ANSWER-Isoleucine: I, Ile
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Methionine?—ANSWER-Methionine: M, Met
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Serine?—ANSWER-Serine: S, Ser
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Threonine?—ANSWER-Threonine: T, Thr
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Cysteine?—ANSWER-Cysteine: C, Cys
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Asparagine?—ANSWER-Asparagine: N, Asn
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Glutamine?—ANSWER-Glutamine: Q, Gln
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Phenylalanine?—ANSWER-Phenylalanine: F, Phe
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Questions and Answers 100%
PASS
What is the difference between an apo and holoprotein—ANSWER-Apo =
protein part of an enzyme without its characteristic prosthetic group
(cofactor is not bound)
Holo = apoprotein with its prosthetic group (cofactor bound)
Many amino acids exist as what isomer?—ANSWER-L
Most alpha amino acids are _____, expect for glycine. All amino acids have
______ unique to itself.—ANSWER-Chiral, R-group/4th substituent
When naming an amino acid using biochemical designation, what carbon do
you start numbering at?—ANSWER-At the alpha carbon (one after the COO-
group)
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Glycine?—ANSWER-Glycine: G, Gly
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Alanine?—ANSWER-Alanine: A, Ala
, What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Proline?—ANSWER-Proline: P, Pro
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Valine?—ANSWER-Valine: V, Val
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Leucine?—ANSWER-Leucine: L, Leu
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Isoleucine?—ANSWER-Isoleucine: I, Ile
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Methionine?—ANSWER-Methionine: M, Met
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Serine?—ANSWER-Serine: S, Ser
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Threonine?—ANSWER-Threonine: T, Thr
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Cysteine?—ANSWER-Cysteine: C, Cys
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Asparagine?—ANSWER-Asparagine: N, Asn
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Glutamine?—ANSWER-Glutamine: Q, Gln
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Phenylalanine?—ANSWER-Phenylalanine: F, Phe
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
