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Question 42: The step in an enzymatic reaction of a pathway that needs greatest amount of activation energy is called: (A) Rate constant (B) Rate limiting (C) Rate enhancing (D) […]

Question 41: A group of contiguous nucleotide codons in DNA molecule that does not include a termination codon is called: (A) Open Reading Frame (B) Operon (C) Genetic code (D) […]

Question 40: A mutation in the GLA (alpha-galactosidase A) gene leads to which one of the following conditions? (A) Fabry disease (B) Gaucher disease (C) Phenylketonuria (D) Cri-du-chat syndrome A […]

Question 39: Which one of the following is a disease caused by defects in enzymes necessary for heme biosynthesis? (A) Lesch Nyhan syndrome (B) Porphyria (C) Huntington’s disease (D) Marfan […]

Question 38: A genetic mutation that limits the production of glucocerebrosidase, an enzyme responsible for breaking down fats, leads to which of the following diseases? (A) Klinefelter Syndrome (B) Phenylketonuria […]

Question 37: When wool sweaters are washed in hot water, they shrink. In contrast, when silk clothes are washed, they do not shrink under the same conditions: (A) The β-woolen […]

Question 36: When a protein has two or more polypeptide subunits, their folding arrangement is called: (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure Answer: (D) Quaternary […]

Question 35: The number of enzyme units per milligram of total protein is called: (A) Activity (B) Specific activity (C) Kcat (D) Km Specific activity is the number of enzyme […]

Question 34: Match List I with List II: List I Protein Name List II Molecular Weight (kDa) A. β-galactosidase (ii) 116.25 B. Bovine Serum Albumin (iv) 66.2 C. Ovalbumin (i) […]

Question 33: One calorie (cal) equals to how many joules (J)? (A) 2.18 (B) 4.18 (C) 6.18 (D) 7.18 One calorie equals 4.18 joules, making option (B) correct for this […]