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Multiple Choice
Which of the following is not a catabolic pathway or reaction in organic chemistry?
A
Beta-oxidation
B
Photosynthesis
C
Glycolysis
D
Citric acid cycle
Verified step by step guidance
1
Understand the definition of catabolic pathways: Catabolic pathways are metabolic pathways that break down molecules into smaller units and release energy. They are typically involved in the degradation of complex molecules into simpler ones.
Identify the processes listed: Beta-oxidation, Glycolysis, Citric acid cycle, and Photosynthesis.
Analyze each process: Beta-oxidation is the breakdown of fatty acids, Glycolysis is the breakdown of glucose, and the Citric acid cycle is the breakdown of acetyl-CoA. All these processes release energy and are catabolic.
Consider Photosynthesis: Photosynthesis is a process that converts light energy into chemical energy stored in glucose. It involves the synthesis of complex molecules from simpler ones, which is an anabolic process, not catabolic.
Conclude which process is not catabolic: Since Photosynthesis is an anabolic process, it is not a catabolic pathway or reaction.