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Q.21 An enzyme without its required cofactor prosthetic group is referred as Coenzyme Holoenzyme Apoenzyme Catalyst Apoenzyme is the correct term for an enzyme without its required cofactor or prosthetic group. […]

Q.20 Intramolecular rearrangements are catalyzed by Transferases Oxidoreductases Isomerases Lyases Isomerases catalyze intramolecular rearrangements by converting a molecule into its isomer through internal atomic repositioning. Question Analysis This question focuses […]

Q.19 Which of the following is not a secondary messenger? Calcium Diacylglycerol cAMP AMP AMP is not a secondary messenger. Secondary messengers are small molecules that relay signals from cell surface […]

Q.18 The enzyme responsible for removal of DNA supercoils is Helicase Topoisomerase DNA ligase DNA polymerase Topoisomerase is the enzyme responsible for removing DNA supercoils. Option Analysis Helicase unwinds the DNA […]

Q.17 Which of the following is not associated with the extracellular matrix of the cells? Proteoglycans Cellulose Collagen Fibronectin Cellulose is not associated with the extracellular matrix (ECM) of animal […]

Q.16 The organelle absent in plant cells is Vacuoles Lysosome Chloroplast Centriole Plant cells differ from animal cells due to their unique organelles adapted for photosynthesis and structural support. The […]

Q.15 Michaelis-Menten constant (Km) is related to the Enzyme’s affinity for the substrate Enzyme’s activity for the substrate Enzyme’s specificity for the substrate Enzyme’s selectivity for the substrate The Michaelis-Menten […]

Q.14 Which of the following is not a part of endomembrane system? Golgi body Lysosome Ribosome Vesicles Ribosome is not a part of the endomembrane system, as it is a […]

Q.13 The number of a Nuclear pore in a cell depends on the Size of the cell Transcriptional activity of the cell DNA content of the cell None of these […]

Q.12 For each ATP molecule breakdown, the Sodium-potassium pump causes movement of More Na+ out and less K+ in K+ out and Na+ in on a one-for-one basis Na+ out […]