Multiple Choice
What is the role of oxygen in respiration?
A) It is formed from the oxidation of water at the beginning of the electron transport chain.
B) It flows through the electron transport chain,losing energy.
C) It is reduced at the end of the electron transport chain,forming water.
D) It is necessary to obtain any ATP from glucose.
E) It flows down its concentration gradient through an ATPase to produce ATP.
Correct Answer:

Verified
Correct Answer:
Verified
Q10: Molecules called uncouplers allow protons to cross
Q12: Plants are<br>A)net O<sub>2</sub> consumers and CO<sub>2</sub> producers.<br>B)net
Q13: The main reason that cellular respiration needs
Q14: The reactants for cellular respiration are<br>A)glucose and
Q16: The Krebs cycle continues the breakdown of
Q17: The electron transport chain occurs in the<br>A)lysosome.<br>B)nucleus.<br>C)cytoplasm.<br>D)ribosome.<br>E)mitochondrion.
Q18: If you radioactively labelled NADH and FADH<sub>2</sub>,you
Q19: When working on heat production by flowers,what
Q20: You have discovered a gene that is
Q41: The three main biochemical pathways of cellular