Question

Cellular respiration can occur both in the presence of oxygen, in an aerobic environment, or without oxygen present, in an anaerobic environment. During aerobic cellular respiration, there are several processes that must occur in order to convert food into energy.

Which of the following processes is involved in aerobic cellular respiration?
lactic acid fermentation
the electron transport chain
glucose production
all of these

Answer 1

the electron transport chain

Answer 2

An electron transport chain (ETC) is a series of compounds that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.