Question

aerobic respiration refers to a process needing _, while anaerobic respiration refers to processes that do not.

glucose

o₂

sunlight

co₂

rewatch

submit

Explanation:

Aerobic respiration is a metabolic process that occurs in the presence of oxygen (\(O_2\)). It is the most efficient way for cells to extract energy from organic compounds (such as glucose). Anaerobic respiration, on the other hand, occurs in the absence of oxygen. Glucose is used in both aerobic and anaerobic respiration (though the end - products and energy yields differ). Sunlight is relevant to photosynthesis (a process in plants to make glucose from \(CO_2\) and water, using light energy), not respiration. \(CO_2\) is a product of aerobic respiration (in the final stage, the citric acid cycle and electron transport chain) but is not a requirement for the process of aerobic respiration in the way oxygen is.

Answer:

\(O_2\)