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Q.13 Patients with Galactosemia are advised not to take dairy products because 1. they have defective B-galactosidase and cannot digest lactose in dairy products 2. they cannot metabolize galactose digestion […]

Q.12 What is true about MHC class II? 1. Present extracellular peptides to CD8+ cells 2. Present intracellular peptides to CD8+ cells 3. Present extracellular peptides to CD4+ cells 4. […]

Q.11 Upon re-exposure to a previous pathogen, which immune response will be most likely the fastest one? 1. Innate immunity 2. Complement activation 3. Adaptive immunity and immunological memory 4. […]

Q.10 What is not true about endotoxin? 1. Endotoxin is heat-stable 2. Endotoxin is strongly immunogenic 3. Endotoxin is present in gram negative bacteria 4. Endotoxin is a lipid in […]

Q.9 During DNA repair, which of the following enzymes is involved in phosphodiester bond formation ? 1. DNA polymerase 2. DNA ligase 3. Phosphodiesterase 4. Primase DNA Ligase Seals Phosphodiester […]

Q.8 Which of the following cellular organelle is involved in Tay-Sachs disease (TSD)? 1. Golgi 2. Lysosomes 3. Endoplasmic reticulum 4. Mitochondria Tay-Sachs Disease Organelle: Lysosomes Explained for Biology Exams […]

Q.7 Which of the following motor proteins is involved in intracellular transport along microtubules? 1. Myosin 2. Kinesin 3. Dynein 4. Both Myosin and Dynein Which Motor Protein Transports Cargo […]

Q.6 Insulin-dependent glucose uptake by adipose tissue is the result of 1. cotransport of glucose with sodium against concentration gradient 2. simple diffusion of glucose down the concentration gradient 3. […]

Q.5 Non-active protein part of an enzyme that requires cofactor for activation is 1. apoenzyme 2. holoenzyme 3. coenzyme 4. ribozyme The correct answer to the query is 1. apoenzyme, as […]

Q.4 What is the net charge of glutamate at pH 7? 1.+1 2.0 3.+2 4 .- 1 Glutamate carries a net charge of -1 at pH 7 due to its […]