9. Most animals make energy available for cell activity by transforming the chemical energy of glucose into cellular energy as ATP. This process occurs
during: *
a. Anaerobic respiration only
O b. Aerobic respiration only
c. Both aerobic and anaerobic respiration
O d. Neither

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b is the answer and if you need further with anything message me

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.