Biology, asked by vijayalakshmiraviv, 5 hours ago

Assertion : Glyoxysomes contain enzymes for B-oxidation of fatty acids and glyoxylate pathway.
Reason: These are found in germinating seeds, especially in germinating fatty seeds.

O Both assertion and reason are true and reason is the correct explanation of assertion

O Both assertion and reason are true but reason is not the correct explanation of assertion

O Assertion is true and reason is false O Assertion is false and reason is true

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Answers

Answered by 1976manikandanr
4

Answer:

both the assertion and reason is true and the reason is the correct explaination of assertion

Explanation:

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Answered by RitaNarine
0

Both assertion and reason are true.

  • Glyoxysomes are transient in the sense that they appear during brief intervals in a plant's life cycle, such as when certain beans and nuts store fats in their seeds as energy reserves.
  • Glyoxysomes emerge in endosperm cells a few days after seed germination and are strongly associated with lipid structures.
  • After the stored lipids are broken down and turned to glucose, they vanish.
  • As a result, the emergence of these organelles appears to correspond to the conversion of lipids to carbohydrates during seed germination.
  • The fatty acid oxidation and glyoxylate pathway enzymes are found in the glyoxysomes.
  • In the lipid bodies, storage lipids are first broken down into glycerol and fatty acids.
  • Long-chain fatty acids enter the glyoxysomes and are converted to acetyl-CoA by the -oxidation process.
  • Citrate synthetase converts acetyl-CoA to citric acid from oxaloacetate and acetyl-CoA, which is subsequently converted to isocitrate by aconitase in the glyoxylate pathway, which includes several TCA cycle events.
  • As a result, the glyoxysomes of higher plants are the sites of fatty acid -oxidation and glyoxylate cycle enzymes.
  • Succinate is the final product of fatty acid glyoxysomal metabolism and is not further degraded in this organelle.
  • It's thought that the succinate diffuses out and gets transformed to oxaloacetate in the mitochondria.
  • Gluconeogenesis produces glucose in the cytoplasm.
  • Fat to glucose conversion is specific to glyoxysomes and so does not occur in mammals.

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