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Q91. Enzymes catalyze biochemical reactions by Sequestering the product(s) Decreasing the ΔG of the reaction Increasing the ΔG of the reaction Stabilizing the transition state of the reaction Enzymes accelerate […]

Q90. In case of parasites that require multiple hosts to complete their life cycle, what does definitive host mean? It is the host that harbors the sexual stages of the […]

Q88. Identify the phylum that is characterized by the animals that have segmented appendages. Cnidaria Porifera Arthropoda Mollusca Animals with segmented appendages belong to a major invertebrate phylum featuring jointed […]

Q87. Acoelomates are characterized by The absence of cavity surrounding the internal organs The presence of huge body cavity, as in case of terrestrial animals The presence of air sacs, […]

Q86. From the perspective of developmental origin, which of the following structures is homologous to a tortoise shell? Exoskeleton of a lobster Bones of a fish Skull of humans Feathers […]

Q85. Match the resistance mechanism in Group I with the antibiotic in Group II Group I Group II P. β-Lactamases Q. Enhanced folate metabolism R. Drug efflux S. Phosphorylation of […]

Q84. A mutant of E. coli grows normally on glucose or on glycerol but not on acetate. The most likely metabolic pathway that is defective in this mutant is Glyoxylate […]

Q83. Match the microorganism in Group I with the application in Group II Group I Group II P. Aspergillus oryzae Q. Brevibacterium flavum R. Thiobacillus ferrooxidans S. Saccharomyces cerevisiae T. […]

Q82. A bacterial culture was diluted 1000 fold and 0.1 ml of this diluted sample was spread per plate on nutrient agar. In a triplicate run, the number of colonies […]