Compare substrates, sites, products and ATP yields in aerobic and anaerobic respiration in humans.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2022–2026.
A human muscle fibre can obtain energy aerobically or, for a short time, without oxygen. Which outcome occurs in both pathways? A. All carbon atoms from glucose are released as carbon dioxide B. Glucose breakdown supplies energy for ATP synthesis C. The…
(a) Outline anaerobic cell respiration. (b) Describe conditions that allow efficient gas exchange in human lungs.
During a brief, vigorous sprint, how can a human muscle cell supplement its aerobic ATP supply? A. By releasing oxygen from carbon dioxide B. By ceasing ATP production until oxygen supply catches up C. By forming lactate, allowing rapid glycolytic ATP…
When human skeletal muscle relies more heavily on anaerobic respiration, which outcome is expected? A. A modest rapid ATP supply with lactate formation B. A greater ATP yield per glucose than complete aerobic oxidation C. Ethanol and oxygen as the main…
For a typical seed relying on aerobic respiration during germination, which environmental supply is required to support that respiration? A. Bright light at all times B. Oxygen C. Nitrate fertilizer added each hour D. Carbon dioxide as the terminal electron…
Which explanation is consistent with the rise shown in this exercise model? A. Increasing reliance on lactate-forming pathways can exceed lactate clearance B. Complete absence of oxygen must occur throughout the body C. Lactate production always stops at high…
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