What two products are formed when adenosine triphosphate is hydrolysed, alongside the release of free energy?
AAdenosine diphosphate and a phosphate ion
BAdenine and two phosphate ions
CAdenosine and a hydroxyl group
DAdenosine monophosphate and ribose
Answer & Solution
Correct answer: A. Adenosine diphosphate and a phosphate ion
1. Hydrolysis is the process of breaking complex macromolecules apart using water.
2. Hydrolysis of adenosine triphosphate produces adenosine diphosphate together with an inorganic phosphate ion.
3. Free energy is released at the same time and is used to drive cell work.
4. Adenosine monophosphate appears only when two phosphates come off, not one.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 7 "Cellular Respiration", section 7.1 Energy in Living Systems_
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