Question

question 22
2 pts
22
which of the following is true about respiration?
aerobic respiration releases more energy than anaerobic respiration
aerobic respiration produces oxygen
aerobic respiration occurs in the absence of oxygen
anaerobic respiration is more efficient than aerobic respiration
anaerobic respiration produces oxygen

Explanation:

• Analyze each option:
• Aerobic respiration uses oxygen to break down glucose completely, releasing a large amount of energy (36 - 38 ATP per glucose molecule). Anaerobic respiration occurs without oxygen, breaks glucose incompletely, and releases less energy (2 ATP per glucose molecule). So "Aerobic respiration releases more energy than anaerobic respiration" is correct.
• Aerobic respiration consumes oxygen, it does not produce oxygen. Photosynthesis produces oxygen, not respiration. So the option "Aerobic respiration produces oxygen" is wrong.
• Aerobic respiration requires oxygen, it occurs in the presence of oxygen. Anaerobic respiration occurs in the absence of oxygen. So "Aerobic respiration occurs in the absence of oxygen" is wrong.
• As aerobic respiration releases more energy (more ATP) per glucose molecule, it is more efficient than anaerobic respiration. So "Anaerobic respiration is more efficient than aerobic respiration" is wrong.
• Respiration (both aerobic and anaerobic) does not produce oxygen. So "Anaerobic respiration produces oxygen" is wrong.

Answer:

A. Aerobic respiration releases more energy than anaerobic respiration