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Q.31 Histones are rich in Lysine and Arginine Lysine and Asparagine Glycine and Lysine Leucine and Arginine Histones are rich in lysine and arginine, which are basic amino acids that […]

Q.30 Which one of the following is the correct sequence of prophase-I stage? Leptotene, Pachytene, Zygotene, Diplotene, Diakinesis Leptotene, Zygotene, Pachytene, Diakinesis, Diplotene Zygotene, Leptotene, Pachytene, Diplotene, Diakinesis Leptotene, Zygotene, […]

Q.29 Which of the following is not a type of microtubule associated with mitotic spindle? Polar Astral Central Kinetochore Central is not a type of microtubule associated with the mitotic spindle. […]

Q.28 Product of dissimilatory nitrate reduction is Ammonia Nitrogen Nitrate Nitric oxide Dissimilatory nitrate reduction produces ammonia as its end product. This process, known as DNRA, uses nitrate as an […]

Q.27 2-keto-3-deoxy-6-phosphogluconate is an intermediate of Pentose phosphate pathway Entner-Doudoroff Pathway Embden-Meyerhof Pathway Tricarboxylic acid cycle 2-Keto-3-deoxy-6-phosphogluconate (KDPG) is a key intermediate exclusively in the Entner-Doudoroff Pathway. This compound plays […]

Q.26 For exergonic reactions ΔG° (standard free energy change) is negative and Keq (equilibrium constant) is more than one ΔG° is positive and Keq is more than one ΔG° is […]

Q.25 Severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2) is caused by a Single-stranded RNA virus Double-stranded RNA virus Single-stranded DNA virus Double-stranded DNA virus SARS-CoV-2, the virus responsible for COVID-19, […]

Q.24 Antibacterial action of penicillin could be attributed to Inhibition of the enzyme transpeptidase Inhibition of the cross linking of peptidoglycan side chain Hydrolysis of peptidoglycan Both 1 and 2 […]

Q.23 Lipopolysaccharide present in Gram negative bacterial cell wall is considered as an endotoxin because of Lipid A Core polysaccharide O side chain Integral proteins Lipid A is the reason lipopolysaccharide […]

Q.22 Gram staining is based on the presence of ______ in the cell wall. Phospholipid Peptidoglycan Lipid A Glycolipid Gram staining differentiates bacteria based on peptidoglycan thickness in the cell […]