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Multiple Choice
What is the simplest and most rapid way for muscle cells to produce ATP during glycolysis?
A
Electron transport chain
B
Substrate-level phosphorylation
C
Beta-oxidation
D
Oxidative phosphorylation
Verified step by step guidance
1
Understand the process of glycolysis: Glycolysis is the metabolic pathway that converts glucose into pyruvate, releasing energy in the form of ATP. It occurs in the cytoplasm of cells and does not require oxygen.
Identify the method of ATP production during glycolysis: During glycolysis, ATP is produced through substrate-level phosphorylation, which is a direct transfer of a phosphate group to ADP from a phosphorylated intermediate.
Differentiate between substrate-level phosphorylation and other methods: Substrate-level phosphorylation is distinct from oxidative phosphorylation, which occurs in the mitochondria and involves the electron transport chain.
Recognize the rapid nature of substrate-level phosphorylation: This method is the simplest and most rapid way to produce ATP during glycolysis because it does not involve complex processes like the electron transport chain or beta-oxidation.
Conclude with the correct answer: Substrate-level phosphorylation is the correct answer for the simplest and most rapid way for muscle cells to produce ATP during glycolysis.