1.

What are the different pathways for the breakdown of glucose?

Answer»

Breaking down of glucose can occur by various pathways ;

⑴ In presence of oxygen :
- Breaking down of glucose into PYRUVATE TAKES place in Mitochondria of a cell.
- END products are CO₂ , H₂O and energy.

⑵ In insufficient presence of oxygen :
- In muscle cells, DUE to insufficient presence of oxygen the cells undergoes anaerobic respiration.
- End products are Lactic acid and lot amount of energy.

⑶ In absence of Oxygen :
- In absence of Oxygen, glucose breakdown into pyruvate in cytoplasm only.
- End product are Ethanol, and SMALL amount of energy.



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