Which of the following biochemical reactions involves the breaking down of a molecule into smaller components with the addition of water?(K:1)

Question

BlackTom AI · Accepted Answer

The question asks which biochemical reaction breaks down a molecule into smaller components with the addition of water.
Option a: Dehydration synthesis. This process actually removes water to join two smaller molecules into a larger one, not break them apart. It’s the opposite of hydrolysis, so this is incorrect in the context of breaking down with water.
Option b: Hydrolysis. Hydrolysis literally means using water to break chemical bonds, resulting in smaller molecules. This matches the description in the question, so this option correctly identifies the process.
Option c: Oxidation. Oxidation involves the gain or loss of electrons and may be associated with energy release or transfer, but it does not inherently describe the breaking down of a molecule by water into smaller components. Therefore, it’s not a match for the described reaction.
Option d: Reduction. Reduction is the gain of electrons or hydrogen, often paired with oxidation in redox reactions. While important in metabolism, it does not describe the hydrolytic breakage of bonds with water, so this option is also incorrect for the given description.
In summary, the defining feature of hydrolysis is the use of water to cleave bonds and produce smaller molecules, aligning precisely with the question’s description, while the other options refer to different types of chemical changes with distinct characteristics.

Which of the following biochemical reactions involves the breaking down of a molecule into smaller components with the addition of water?(K:1)单项选择题

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