MICR 2260test-bank-for-biochemistry-8th-edition-by-berg-ibsn
Chapter 2 Protein Composition and Structure
1) Which of the following is most often found in proteins?
A) D-amino acids
B) L-amino acids
C) an equal amount of D- and L-amino acids
D) amino acids with the -carbon exclusively having an R absolute configuration
E) amino acids with the -carbon exclusively having an S absolute configuration
Answer: B
Section: 2.1
2) A term that describes a molecule that contains both positive and negative charges but
overall has a neutral charge is .
A) enantiomer
B) amino acid
C) racemate
D) zwitterion
E) amphipath
Answer: D
Section: 2.1
3) Which amino acid forms disulfide bonds?
A) histidine
B) methionine
C) proline
D) serine
E) cysteine
Answer: E
Section: 2.1
Full all chapters instant download please go to Solutions Manual, Test Bank site: downloadlink.org
, 4) Which of the following amino acids has an ionizable R-group with a pKa near neutral
pH?
A) histidine
B) serine
C) aspartic acid
D) lysine
E) tyrosine
Answer: A
Section: 2.1
5) Formation of a peptide bond produces as a byproduct.
A) ammonia
B) carbon dioxide
C) water
D) H+
E) OH–
Answer: C
Section: 2.2
6) What type of plot allows one to investigate the likely phi and psi angles of the peptide
backbone?
A) Hill
B) Lineweaver-Burk
C) Hanes-Woolf
D) Ramachandran
E) Michaelis-Menten
Answer: D
Section: 2.2
7) What level of protein structure is composed of helices, sheets, and turns?
Chapter 2 Protein Composition and Structure
1) Which of the following is most often found in proteins?
A) D-amino acids
B) L-amino acids
C) an equal amount of D- and L-amino acids
D) amino acids with the -carbon exclusively having an R absolute configuration
E) amino acids with the -carbon exclusively having an S absolute configuration
Answer: B
Section: 2.1
2) A term that describes a molecule that contains both positive and negative charges but
overall has a neutral charge is .
A) enantiomer
B) amino acid
C) racemate
D) zwitterion
E) amphipath
Answer: D
Section: 2.1
3) Which amino acid forms disulfide bonds?
A) histidine
B) methionine
C) proline
D) serine
E) cysteine
Answer: E
Section: 2.1
Full all chapters instant download please go to Solutions Manual, Test Bank site: downloadlink.org
, 4) Which of the following amino acids has an ionizable R-group with a pKa near neutral
pH?
A) histidine
B) serine
C) aspartic acid
D) lysine
E) tyrosine
Answer: A
Section: 2.1
5) Formation of a peptide bond produces as a byproduct.
A) ammonia
B) carbon dioxide
C) water
D) H+
E) OH–
Answer: C
Section: 2.2
6) What type of plot allows one to investigate the likely phi and psi angles of the peptide
backbone?
A) Hill
B) Lineweaver-Burk
C) Hanes-Woolf
D) Ramachandran
E) Michaelis-Menten
Answer: D
Section: 2.2
7) What level of protein structure is composed of helices, sheets, and turns?
