At the end of the electron transport chain in aerobic cellular respiration, the final acceptor of the electrons is which will then produce a molecule
A. $\mathrm{CO}_{2} ; \mathrm{O}_{2}$
B. $\mathrm{NAD}^{+} ; \mathrm{NADH}$
C. $\mathrm{O}_{2} ; \mathrm{H}_{2} \mathrm{O}$
D. ADP; ATP
Choose A, B, C or D as your solution.
The correct answer is $\mathrm{C}$. During the electron transport chain, oxygen serves as the terminal electron acceptor during aerobic respiration. In addition to serving as an electron acceptor, the oxygen also gathers protons from the electron transport chain, producing water in the process.