21. Which of the following staternents with respect to altenate oxidase activity on cyanide- resistant respiration in plants. is not correct? (1) Alternate oxidase accepts electrons directly from cytochrorre C […]
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Factors Inducing Alternative Oxidase Expression in Plants
20. According to the current model of alternative oxidase regulation, the following factors cause induction of atternative oxidase (A) significant increase on the ubiquitin pool in the cytosol. (B) Presence […]
Key Concepts about Plant Respiration
19. Following are certain statements with regard to plant respiration: A. Metabolism of glucose into pyruvate through glycolysis generates NADH and not NADPH. B. Metabolism of glucose through oxidative pentose […]
Salicylhydroxamic Acid (SHAM) Inhibition of Alternative Oxidase in Plant Respiration
18. The chemical salicyl hyrooxamic add (SHAM) inhibits (1) Cytochrome oxidase (2) Alternate oxidase (3) ATP synthase (4) NADH-dehydrogenase Salicylhydroxamic acid (SHAM) inhibits the alternate oxidase (AOX) in the mitochondrial electron transport […]
SHAM as Inhibitor of Alternative Respiratory Pathway in Plants
The alternative pathway of respiration can be inhibited by (1) Cyanide (2) SHAM (3) Arachidonic add (4) Ampicillin Introduction Plants have an alternative respiratory pathway that bypasses parts of the […]
Salicylic Acid Induced Heat Production in Thermogenic Plants
16. In arum lily, the temperature of inflorescence rise around 10°C as compare to plant during blooming. The natural trigger for heat production in the inflorescences of Saummatum guttatum (voodoo […]
Key Concepts of Oxidative Phosphorylation and ETC
15. Following statements are related to oxidative phosphorylation A. Redox reactions of electron transport chain coupled with ATP synthesis are collectively called oxidative phosphorylation. B.Three major processes: glycolysis, oxidative pentose […]
Alpha-Ketoglutarate Transport
The oxidation pentose phosphate pathway provides the reducing equivalents for nitrite reduction in plastids (leucoplasts) of non-green tissues. Which one of the following statements would be correct for the above […]
Role of Oxidative Pentose Phosphate Pathway in Plant Metabolism
13. Which one of the following statements is INCORRECT about the role of oxidative pentose phosphate pathway in plant metabolism? (1) Generation of NADPH required to drive biosynthetic reactions. (2) […]
Regulation of Pyruvate Dehydrogenase Complex by Metabolites and Phosphorylation
Pyruvate dehydrogenase complex has sophisticated regulatory mechanisms including reversible phosphorylation. Various metabolites are also able to modulate the dehydrogenase complex. Which one of the following statements is NOT correct? (1) […]


