Aerobic and Anaerobic Respiration Compared Flashcards

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What do both aerobic and anaerobic respiration do in cells?

Both release energy by breaking down glucose in cells.

Which type of respiration needs oxygen?

Aerobic respiration needs oxygen; anaerobic respiration does not need oxygen.

Which type of respiration releases more energy from one molecule of glucose?

Aerobic respiration releases more energy from each glucose molecule than anaerobic respiration.

Are the products of aerobic and anaerobic respiration in muscles the same?

No. Aerobic respiration makes carbon dioxide and water; anaerobic respiration makes lactic acid in muscles.

Where in the cell does most aerobic respiration happen, compared with anaerobic respiration?

Most aerobic respiration happens in mitochondria, but anaerobic respiration happens in the cytoplasm.

When does your body mainly use aerobic respiration?

Your body mainly uses aerobic respiration during normal, steady activity when plenty of oxygen is available.

When does your body start to use more anaerobic respiration?

During hard exercise, when muscles cannot get enough oxygen, they use more anaerobic respiration.

Why does anaerobic respiration release less energy than aerobic respiration?

In anaerobic respiration glucose is not broken down fully, so less energy is released.

Which type of respiration can release energy more quickly for a short time?

Anaerobic respiration can release energy more quickly, but only for a short time.

What problem can the main product of anaerobic respiration in muscles cause?

Lactic acid can build up in muscles, causing pain and fatigue, unlike in aerobic respiration.