Peroxisomes are involved in which type of reactions pertaining to plant photosynthesis?
Correct Answer :
Glyoxylate cycle
Solution :
The correct option is Glyoxylate cycle.
Explanation:
Peroxisomes are specialized membrane-bound organelles found in eukaryotic cells. In plants, a specific type of peroxisome called the glyoxysome plays a critical role during early seedling development and photosynthesis-related metabolic pathways.
During these stages, lipid reserves are converted into carbohydrates to support growth before the plant becomes fully autotrophic. This metabolic pathway is known as the glyoxylate cycle.
The glyoxylate cycle is a variation of the tricarboxylic acid (TCA) cycle, bypassing the decarboxylation steps to achieve the net synthesis of carbohydrates from fats (specifically acetyl-CoA). Key enzymes of this cycle, such as isocitrate lyase and malate synthase, are localized within the glyoxysomes/peroxisomes, making this organelle central to these reactions.
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