Zadanie 3e
Explain ATP synthesis by chemiosmosis in aerobic respiration.
- Materiał graficzny
Mitochondrial ATP production by chemiosmosis
Explain how proton flow through ATP synthase couples gradient dissipation to phosphorylation of ADP.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2022–2026.
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Zadanie 10
Membranes support water balance, electrical signalling and energy conversion. (a) Outline what happens to cells in a piece of plant tissue transferred to a hypotonic solution. (b) Describe the establishment and maintenance of a resting membrane potential in a…
Zadanie 9
Some environmental contaminants interfere with biological processes. (a) Describe how a persistent fat-soluble pesticide can become concentrated in predatory birds. (b) Compare and contrast competitive and non-competitive inhibition of enzymes. (c) Outline…
Zadanie 32
Which statement about chemiosmotic ATP synthesis is correct? A. ATP synthase makes ATP by pumping protons uphill without an energy source B. It occurs across inner mitochondrial membranes and thylakoid membranes C. Its immediate driving force is diffusion of…
Zadanie 6
Plant transport and cellular energy transformations support growth. (a) Describe how a plant moves organic compounds from their source to a storage sink. (b) Compare and contrast photosynthesis with aerobic cellular respiration.
Zadanie 7
Stem-cell properties and mitochondrial energy conversion have important biological applications. (a) Outline reasons why stem cells may be useful therapeutically. (b) Explain how the mitochondrial electron transport chain contributes to ATP formation.