Single answerDifficulty 2/5 · StandardConcept explanationStatistical analysis
Counting the water in digestion
A student sets up two digestion tubes at 37 °C. Tube A contains a linear, unbranched peptide of 15 amino acids plus a protease mixture that breaks every peptide bond. Tube B contains a triglyceride (one glycerol with three fatty acids) plus lipase, which breaks every ester bond. Both reactions run until only free monomers or building blocks remain.
Per molecule of substrate, how many water molecules does each tube's reaction involve, and are they consumed or released?
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