Zadanie 2a
State one substrate used in both aerobic and anaerobic respiration in humans.
Human respiration with and without oxygen
Compare substrates, sites, products and ATP yields in aerobic and anaerobic respiration in humans.
Tę umiejętność sprawdza 16 zadań wzorowanych na arkuszach IB z lat 2022–2026.
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Zadanie 2b
Distinguish human aerobic respiration from human anaerobic respiration.
Zadanie 3c
Distinguish human aerobic respiration from human anaerobic respiration.
Zadanie 5
A model exercise test records the curve shown. Which process explains the rapid lactate rise at higher workloads? A. Lactate is consumed faster than it is produced at every workload B. Muscle converts increasing amounts of glucose-derived material to lactate…
- Materiał graficzny
Zadanie 6
When human muscle cells obtain ATP anaerobically through glycolysis and fermentation, which combination is correct? A. Ethanol produced in chloroplasts B. Lactate produced in the cytoplasm C. Carbon dioxide and water produced in the nucleus D. Lactate produced…
Zadanie 7
Consider connections between biological processes at different levels of organization. (a) Outline three properties of energy-storage polysaccharides that make them effective reserves. (b) Describe the transfer of energy along a food chain. (c) Explain why…
Zadanie 4b
Outline how cells make ATP.
Zadanie 4
Which pair gives the main end products of aerobic respiration and lactate fermentation in human cells? A. Aerobic: CO₂ only; fermentation: ethanol B. Aerobic: CO₂ and water; fermentation: lactate C. Aerobic: lactate; fermentation: ethanol and CO₂ D. Aerobic:…
Zadanie 6
Which statement correctly distinguishes complete aerobic glucose breakdown from lactate fermentation in human cells? A. Aerobic breakdown generates carbon dioxide, whereas lactate fermentation does not B. Lactate fermentation requires oxygen as the terminal…
Zadanie 8
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…
Zadanie 12
The overlapping sets list products associated with three respiratory pathways. Which sets represent pathways that can operate in human skeletal muscle during exercise? A. P and Q B. P and R C. Q and R D. P, Q and R
- Materiał graficzny
Zadanie 7
(a) Describe organelles and other structures of animal cells as they can appear in electron micrographs. (b) Explain how animal cells supply their ATP requirements.
Zadanie 11
A fermentation vessel is used to grow microorganisms that manufacture a useful product. Explain why conditions in the vessel must be controlled carefully.
Zadanie 13
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…
Zadanie 18
An intestinal absorptive epithelial cell contains many mitochondria. Outline why this supports the cell’s function.
Zadanie 11
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…
- Materiał graficzny