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

Organic Chemistry - Biomolecules

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


7.
Which level of protein structure is unaffected during denaturation?
A.
Tertiary
B.
Secondary
C.
Primary
D.
Quaternary
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ANSWER :
C. Primary
8.
Which functional group is present in all amino acids?
A.
Hydroxyl
B.
Carboxyl
C.
Nitro
D.
Amide
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ANSWER :
B. Carboxyl
9.
Which of the following is a fibrous protein?
A.
Albumin
B.
Myosin
C.
Insulin
D.
Casein
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ANSWER :
B. Myosin
10.
Which protein structure is first formed after peptide bond formation?
A.
Primary
B.
Secondary
C.
Tertiary
D.
Quaternary
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ANSWER :
A. Primary
11.
Which reaction forms a peptide bond?
A.
Hydrolysis
B.
Condensation
C.
Oxidation
D.
Reduction
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ANSWER :
B. Condensation
12.
Enzymes are mostly composed of
A.
Carbohydrates
B.
Fats
C.
Proteins
D.
Nucleic acids
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ANSWER :
C. Proteins