State whether the following statements are true or false. The breakdown of glucose in cellular respiration is a catabolic reaction.
A
True
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B
False
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Solution
The correct option is A True A catabolic process is a process in which a substrate or metabolite is broken down to smaller units and requires an input of energy.
The 6-carbon glucose molecule is broken down into 3-carbon pyruvate which initially requires energy and then generates energy by substrate-level phosphorylation.
The breakdown of glucose in cellular respiration is a catabolic reaction.