Question

Condition necessary for respiration to take place

Answer 1

Answer:

Aerobic respiration :-

(I) the presence of oxygen

(ii) begins with glycolysis

Anaerobic respiration :-

(I) the absence of oxygen

(ii) begins with glycolysis

Explanation:

All points to be noted

• Cellular respiration always begins with glycolysis, which can occur either in the absence or presence of oxygen.

(GLYCOLYSIS - the splitting of glucose)

• Cellular respiration that proceeds in the absence of oxygen is anaerobic respiration.

• Cellular respiration that proceeds in the presence of oxygen is aerobic respiration.

• Anaerobic respiration evolved prior to aerobic respiration.

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