Multiple Choice
Which of the following correctly describes phosphorylation of a protein?
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8. Respiration
Types of Phosphorylation
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ATP is synthesized by substrate-level phosphorylation during which of the following processes?
A
Calvin cycle
B
Oxidative phosphorylation
C
Glycolysis
D
Photophosphorylation
Verified step by step guidance1
Understand the concept of substrate-level phosphorylation: It is a type of metabolic reaction that results in the formation of ATP by the direct transfer of a phosphate group to ADP from a reactive intermediate.
Identify the processes mentioned: Calvin cycle, Oxidative phosphorylation, Glycolysis, and Photophosphorylation.
Recall that Glycolysis is a metabolic pathway that occurs in the cytoplasm of cells, where glucose is broken down into pyruvate, producing ATP and NADH in the process.
Recognize that during Glycolysis, ATP is produced through substrate-level phosphorylation, which involves the direct transfer of a phosphate group to ADP to form ATP.
Conclude that Glycolysis is the process where substrate-level phosphorylation occurs, leading to the synthesis of ATP.
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