Biochemistry MCQs
Biochemistry MCQs cover enzymes, metabolism, vitamins, nucleic acids, and clinical correlations. Perfect for MDCAT, USMLE, FCPS, and competitive exams, these quizzes strengthen molecular biology concepts and link biochemical processes to human health and disease.
Q: Denaturation of proteins affects
A) DNA sequence
B) Quaternary structure only
C) Higher-level structures
D) Primary structure
Q: Energy currency of the cell
A) NADH
B) Glucose
C) ATP
D) GTP
Q: Most abundant protein in the human body
A) Albumin
B) Myosin
C) Collagen
D) Hemoglobin
Q: Site of glycolysis in the cell
A) Nucleus
B) Endoplasmic reticulum
C) Cytoplasm
D) Mitochondria
Q: Monosaccharide absorbed without digestion
A) Lactose
B) Sucrose
C) Glucose
D) Maltose