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: Enzymes accelerate reactions by lowering
A) Product concentration
B) Substrate level
C) Reaction volume
D) Activation energy
Q: Glycolysis takes place in the
A) Mitochondria
B) Cytoplasm
C) Ribosome
D) Nucleus
Q: Cholesterol is classified as a
A) Protein
B) Lipid
C) Carbohydrate
D) Nucleic acid
Q: DNA is made up of
A) Fatty acids
B) Amino acids
C) Nucleotides
D) Sugars
Q: Enzymes act as
A) Structural units
B) Transport proteins
C) Biological catalysts
D) Immune markers