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NAD⁺ mediates multiple major biological processes and is always in high demand. NAD⁺ is constantly synthesized, metabolized, and recycled in the cell to maintain stable intracellular NAD⁺ levels. Some cells, mostly in the liver, can synthesize NAD⁺ from scratch (de novo) using multiple...
Biology carries the highest weightage with 90 questions, followed by Chemistry and Physics with 45 each. The NEET Syllabus 2025 covers topics from Physics, Chemistry, and Biology based on the NCERT curriculum for Classes 11 and 12. Benefits of Appearing in NEET Single Entrance Exam: One exam fo...
What is the role of enzymes as a catalyst? What do you understand by the word catalyst in biology? What is the chemical nature of enzymes? What is the biological function of enzymes? What amount of catalyst is consumed in the reaction it catalyzes?
What is the difference between fermentation and respiration in biology? What is the difference between fermentation, aerobic, and anaerobic respiration? What is the importance of a coenzyme like NAD+? What is the role of NAD+ as an electron carrier? The way ATP forms in glycolysis differ from...
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NADPH is produced within the chemical reaction of photosynthesis and is used within the Calvin cycle to assimilate $C{{O}_{2}}$ Complete answer:NAD, is altogether living cells, where it functions as a coenzyme. It exists either in an oxidized form $NA{{D}^{+}}$, which can accept an...
Class 11 BIOLOGY What is coenzyme? What is coenzyme? Solution in Bengali Video SolutionText SolutionVerified by Experts Non-protein organie cofactors which are readily dialyzable from the apoenzyme part of enzymes are called coenzyme e.g., NAD, NADP etc. Show More ...
Nicotinamide adenine dinucleotide is abbreviated as NAD+; the plus sign indicates that the molecule can accept an electron from another molecule. When this occurs, NAD+ is reduced and becomes NADH. The molecule has gained an electron and a hydrogen atom. NADH can, in turn, donate an electron...
What are the metabolic roles of ATP, NAD+, and NADPH in photosynthesis and cellular respiration? Which of the following statements about cyclic electron transport in photosynthesis is true? A) It requires photosystem II but not Photosystem I. B) It changes the direct...