ACS Biochemistry UPDATED ACTUAL Exam Questions and
CORRECT Answers | Verified | 100% Accurate
Question 1.
What is the difference between an apo and holoprotein
Correct Answer: Apo = protein part of an enzyme without its characteristic
prosthetic group (cofactor is not bound)
Holo = apoprotein with its prosthetic group (cofactor bound)
Question 2.
Many amino acids exist as what isomer?
Correct Answer: L
Question 3.
Most alpha amino acids are _____, expect for glycine. All amino acids have ______ unique
to itself.
Correct Answer: Chiral, R-group/4th substituent
Question 4.
When naming an amino acid using biochemical designation, what carbon do you start
numbering at?
Correct Answer: At the alpha carbon (one after the COO- group)
Question 5.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Glycine?
Correct Answer: Glycine: G, Gly
Question 6.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Alanine?
Correct Answer: Alanine: A, Ala
Question 7.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Proline?
Correct Answer: Proline: P, Pro
Question 8.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Valine?
, Correct Answer: Valine: V, Val
Question 9.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Leucine?
Correct Answer: Leucine: L, Leu
Question 10.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Isoleucine?
Correct Answer: Isoleucine: I, Ile
• What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Methionine? -✓✓Methionine: M, Met
Question 11.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Serine?
Correct Answer: Serine: S, Ser
Question 12.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Threonine?
Correct Answer: Threonine: T, Thr
Question 13.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Cysteine?
Correct Answer: Cysteine: C, Cys
Question 14.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Asparagine?
Correct Answer: Asparagine: N, Asn
Question 15.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Glutamine?
Correct Answer: Glutamine: Q, Gln
Question 16.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Phenylalanine?
Correct Answer: Phenylalanine: F, Phe
CORRECT Answers | Verified | 100% Accurate
Question 1.
What is the difference between an apo and holoprotein
Correct Answer: Apo = protein part of an enzyme without its characteristic
prosthetic group (cofactor is not bound)
Holo = apoprotein with its prosthetic group (cofactor bound)
Question 2.
Many amino acids exist as what isomer?
Correct Answer: L
Question 3.
Most alpha amino acids are _____, expect for glycine. All amino acids have ______ unique
to itself.
Correct Answer: Chiral, R-group/4th substituent
Question 4.
When naming an amino acid using biochemical designation, what carbon do you start
numbering at?
Correct Answer: At the alpha carbon (one after the COO- group)
Question 5.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Glycine?
Correct Answer: Glycine: G, Gly
Question 6.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Alanine?
Correct Answer: Alanine: A, Ala
Question 7.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Proline?
Correct Answer: Proline: P, Pro
Question 8.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Valine?
, Correct Answer: Valine: V, Val
Question 9.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Leucine?
Correct Answer: Leucine: L, Leu
Question 10.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Isoleucine?
Correct Answer: Isoleucine: I, Ile
• What is the structure, 1 letter abbreviation, and 3 letter abbreviation for:
Methionine? -✓✓Methionine: M, Met
Question 11.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Serine?
Correct Answer: Serine: S, Ser
Question 12.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Threonine?
Correct Answer: Threonine: T, Thr
Question 13.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Cysteine?
Correct Answer: Cysteine: C, Cys
Question 14.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Asparagine?
Correct Answer: Asparagine: N, Asn
Question 15.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Glutamine?
Correct Answer: Glutamine: Q, Gln
Question 16.
What is the structure, 1 letter abbreviation, and 3 letter abbreviation for: Phenylalanine?
Correct Answer: Phenylalanine: F, Phe