Question

5. Where do the following take place?
(i) Breakdown of 6 - carbon molecule to 3 - carbon molecule.
(ii) Breakdown of pyruvate to ethanol and carbon dioxide.
(iii) Breakdown of pyruvate to carbon dioxide and water
( What is selective reabsorption?​

Answer 1

Answer:

Cellular respiration of carbohydrates using glycolysis releases pyruvate, which enter the 'tricarboxylic acid cycle' as acetyl coenzyme-A with the release of carbon dioxide. It is at the mitochondria that the pyruvate breaks down to give carbon dioxide, water and energy. This process is called as pyruvate decarboxylation and is catalysed by pyruvate dehydrogenase.

So, the correct answer is 'Mitochondria'

Explanation:

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Answer 2

Answer:

HEY BUDDY !

HERE IS UR ANSWER

• HUMAN MUSCLE - In the lack of 02.
• CYTOPLASM AND YEAST - Anaerobic Respiration.
• MITOCHONDRIA - Aerobic Respiration.

Selective reabsorption is the process where certain molecules ( amino acid , glucose ) after being filtered out of the capillaries along with the nitrogenous waste waste product i.e urea and water in the glomerulus are reabsorbed from filtrate as they pass through the nephron.

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