Guanine triphosphate is energetically equivalent to adenosine triphosphate, but which process uses it in particular?
AMuscle contraction
BProtein synthesis
CActive transport
DFatty acid storage
Answer & Solution
Correct answer: B. Protein synthesis
1. Guanine triphosphate holds the same amount of usable energy as adenosine triphosphate.
2. Its use, however, is more restricted.
3. Protein synthesis primarily uses guanine triphosphate.
4. Muscle contraction is named as work driven by adenosine triphosphate, so it is the wrong nucleotide.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 7 "Cellular Respiration", section 7.3 Oxidation of Pyruvate and the Citric Acid Cycle_
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