During cellular respiration, four total ATP are produced when pyruvic acid is created. What else is produces as a resulkt of this reaction? Oxygen

Heat

Sugar

Water

Why does hydrogen bond so tightly to oxygen during cellular respiration?

It is not electronegative, but oxygen is

It is less electronegative than oxygen

It is electronegative, but oxygen is not

It is more electronegative than oxygen

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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.

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.