ATP is synthesized through substrate-level phosphorylation during glycolysis and citric acid cycle only. Thus, the correct option is C.
<h3>What is Substrate-level phosphorylation?</h3>
Substrate-level phosphorylation may be defined as the process of synthesis of ATP from ADP and a phosphorylated intermediate, rather than from ADP and inorganic phosphate which is as same as oxidative phosphorylation.
Substrate-level phosphorylation takes place in the cytoplasm of cells (glycolysis) and in the mitochondria (Krebs cycle). Glycolysis significantly produces less ATP than TCA.
Therefore, it is well described above.
To learn more about substrate-level phosphorylation, refer to the link:
brainly.com/question/7331523
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