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The low rate of production of carbon dioxide at point P is most likely because A - VCE - SSCE Biology - Question 11 - 2003 - Paper 1
Question 11
The low rate of production of carbon dioxide at point P is most likely because A. nitrogen killed all the yeast cells. B. most of the glucose had been used. C. the y... show full transcript
Worked Solution & Example Answer:The low rate of production of carbon dioxide at point P is most likely because A - VCE - SSCE Biology - Question 11 - 2003 - Paper 1
Step 1
B. most of the glucose had been used.
Answer
The production of carbon dioxide in yeast fermentation heavily relies on the availability of glucose as a substrate. When glucose concentrations decrease as it is consumed by the yeast for energy, the rate of carbon dioxide production consequently slows down. Therefore, if the glucose had been mostly used, the low rate of carbon dioxide production is likely.