The gas that must be present in order for cells to produce the most energy is oxygen.
what is respiration?
Respiration can be best explained as a metabolic process that occur in living cells of an organism that gives energy (in the form of ATP) by taking in oxygen and releasing carbon dioxide from the oxidation of complex organic substances.
what is sugar?
sugar can be referred as a caloric, sweet-tasting compounds which is sucrose, a disaccharide, which compressed of two sugars (glucose and fructose) bound together.
what is oxygen?
Oxygen is simply a colourless, odourless, tasteless gas essential to living organisms.
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