Explain how yeast regenerates NAD and relate its anaerobic products to bread making and brewing.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2024–2026.
Four 300 g portions of the same yeast dough begin at the same volume and incubate for 50 minutes. The final volumes are shown. Which conclusion is supported? A. Every yeast enzyme must have an optimum of 37 °C B. The lowest temperature caused the greatest…
(a) Outline anaerobic cell respiration. (b) Describe conditions that allow efficient gas exchange in human lungs.
A baker keeps a yeast-containing dough at a moderately warm temperature, rather than refrigerating or strongly heating it. Why can this promote expansion? A. Fermentation releases carbon dioxide rapidly while the yeast enzymes remain functional B. The yeast…
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