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82. Where do B lymphocytes acquire immune competence? (A) Thymus (B) Bone Marrow (C) Lymph nodes (D) Spleen Here’s an SEO-friendly article on the topic, optimized for search engines with […]

81. Which one of the following organs is INCORRECTLY paired with its function? (A) Intestinal villi-absorption (B) Epiglottis – closure of larynx (C) Gall bladder – carbohydrate digestion (D) Parietal […]

80. Which one of the following statements is FALSE with respect to phospholipids? (A) Phospholipids have amphipathic character (B) Phospholipids form the lipid bilayer of the cell membrane (C) Phospholipids […]

79. Which one of the following is a function of intermediate filaments? (A) Chromosome movement during the cell division (B) Cytoplasmic streaming (C) Formation of tight junctions (D) Anchorage of […]

78. Constitutive enzymes are (A) Induced by effector molecules (B) Repressed by repressors (C) Encoded by sequences that occur as part of an operon (D) Always produced in the cell […]

77. Which one of the following statements is TRUE when determining the age of a fossil using carbon dating? (A) Carbon dating is based on carbon-13 to carbon-12 ratio in […]

76. The term “paedomorphosis” refers to (A) Accelerated reproductive development as compared to somatic development (B) A transient stage in the developmental event (C) Two independent structures resembling each other, […]

75. An E. coli strain is grown initially on glucose as the sole carbon source. Upon complete consumption of glucose following 12 h of growth, lactose is added as the […]

74. The volume (in ml) of a 1.0mg/mlstock solution of ampicillin to be added to 0.1 liter of growth medium for achieving a final ampicillin concentration of 50𝜇 g/ml is […]

73. A bacterial culture is grown using 2.0mg/ml fructose as the sole source of carbon and energy. The bacterial biomass concentrations immediately after inoculation and at the end of the […]