Explain how mitochondrial electron transfer provides energy to establish a proton gradient across the inner membrane.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2022–2026.
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…
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…
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.
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.
The space between the outer and inner mitochondrial membranes has a small volume. How does this assist oxidative phosphorylation? A. It allows electrons to accumulate as a dissolved nutrient B. It permits a proton concentration difference to develop with fewer…
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.