Biochemistry Peptides Proteins Online Exam Quiz
Biochemistry Peptides Proteins GK Quiz. Question and Answers related to Biochemistry Peptides Proteins. MCQ (Multiple Choice Questions with answers about Biochemistry Peptides Proteins
The average molecular weight of an amino acid residue in a protein is about _________
Options
A : 128
B : 118
C : 110
D : 120
A tripeptide has _________
Options
A : 3 amino acids and 1 peptide bond
B : 3 amino acids and 2 peptide bonds
C : 3 amino acids and 3 peptide bonds
D : 3 amino acids and 4 peptide bonds
Which part of the amino acid gives it uniqueness?
Options
A : Amino group
B : Carboxyl group
C : Side chain
D : None of the mentioned
Which of the following is a 39-residue hormone of the anterior pituitary gland?
Options
A : Corticotropin
B : Glucagon
C : Insulin
D : Bradykinin
Peptide bond is a _________
Options
A : Covalent bond
B : Ionic bond
C : Metallic bond
D : Hydrogen bond
During the formation of the peptide bond which of the following takes place?
Options
A : Hydroxyl group is lost from its carboxyl group of one amino acid and a hydrogen atom is lost from its amino group of another amino acid
B : Hydrogen atom is lost from its carboxyl group of one amino acid and a hydroxyl group is lost from its amino group of another amino acid
C : Hydroxyl group is lost from its carboxyl group of one amino acid and a hydroxyl group is lost from its amino group of another amino acid
D : Hydrogen atom is lost from its carboxyl group of one amino acid and a hydrogen atom is lost from its amino group of another amino acid
What are the following is not a factor responsible for the denaturation of proteins?
Options
A : pH change
B : Organic solvents
C : Heat
D : Charge
Unfolding of a protein can be termed as _________
Options
A : Renaturation
B : Denaturation
C : Oxidation
D : Reduction
The factor which does not affect pKa value of an amino acid is _________
Options
A : The loss of charge in the ?-carboxyl and ?-amino groups
B : The interactions with other peptide R groups
C : Other environmental factors
D : Molecular weight
Which of the following information is responsible to specify the three-dimensional shape of a protein?
Options
A : The protein’s peptide bond
B : The protein’s amino acid sequence
C : The protein’s interaction with other polypeptides
D : The protein’s interaction with molecular chaperons
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