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: Primary structure of proteins refers to
A) Folding pattern
B) 3D structure
C) Subunit binding
D) Amino acid sequence
Q: Glycolysis occurs in the
A) Cytoplasm
B) Mitochondria
C) Nucleus
D) Golgi body
Q: Enzyme activity is measured in
A) Meters
B) Units
C) Calories
D) Volts
Q: Enzyme function can be inhibited by
A) Vitamins
B) Inhibitors
C) Catalysts
D) Substrates
Q: RNA is usually
A) Quadruple-stranded
B) Circular
C) Double-stranded
D) Single-stranded