Proteins (Elementary Idea of Amino Acids, Peptide Bond,...) NEET Questions

Organic Chemistry - Biomolecules

Proteins (Elementary Idea of Amino Acids, Peptide Bond,...) MCQ Questions


1.
A peptide bond is formed between which functional groups?
A.
Carboxyl and hydroxyl
B.
Carboxyl and amino
C.
Amino and sulfhydryl
D.
Hydroxyl and amino
😑 View Answer Rough Work Error
ANSWER :
A. Carboxyl and hydroxyl
2.
Which of the following is an example of a tripeptide?
A.
Glycine
B.
Valine
C.
Glutathione
D.
Alanine
😑 View Answer Rough Work Error
ANSWER :
C. Glutathione
3.
Denaturation of proteins affects which structure the most?
A.
Primary
B.
Secondary
C.
Tertiary
D.
Quaternary
😑 View Answer Rough Work Error
ANSWER :
C. Tertiary
4.
The α-helix structure is stabilized by which bonds?
A.
Disulfide bonds
B.
Ionic bonds
C.
Hydrogen bonds
D.
Peptide bonds
😑 View Answer Rough Work Error
ANSWER :
C. Hydrogen bonds
5.
Which type of protein structure involves multiple polypeptide chains?
A.
Primary
B.
Secondary
C.
Tertiary
D.
Quaternary
😑 View Answer Rough Work Error
ANSWER :
D. Quaternary
6.
Which of the following amino acids contains sulfur?
A.
Glycine
B.
Alanine
C.
Cysteine
D.
Tyrosine
😑 View Answer Rough Work Error
ANSWER :
C. Cysteine