Carbohydrate
During vigorous exercise, pyruvate produced by glycolysis is converted to

acetate
lactate
pyruvic acid
monosodium phosphate

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Carbohydrate
The multistep pathways of metabolism are efficient because they

use the same substrate for all of the enzymes in the pathway
spread the enzymes for a pathway into several different organelles
locate all of the enzymes for a pathway in the same place within the cell
use the same enzyme for all of the substrates in the pathway

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