Join thousands of students who trust us to help them ace their exams!Watch the first video
Multiple Choice
In glycolysis, which electron carrier becomes reduced during the process?
A
FAD
B
NAD+
C
Coenzyme Q
D
NADP+
Verified step by step guidance
1
Understand the role of electron carriers in glycolysis: Glycolysis is a metabolic pathway that converts glucose into pyruvate, releasing energy and reducing electron carriers in the process.
Identify the electron carriers involved in glycolysis: The main electron carriers in cellular respiration are NAD+ and FAD. In glycolysis, NAD+ is the primary electron carrier that becomes reduced.
Explain the reduction process: During glycolysis, NAD+ accepts electrons and a proton (H+) to form NADH. This reduction is crucial for the continuation of cellular respiration, as NADH carries electrons to the electron transport chain.
Differentiate between NAD+ and other carriers: FAD and Coenzyme Q are involved in later stages of cellular respiration, such as the Krebs cycle and the electron transport chain, but not directly in glycolysis.
Clarify why NADP+ is not involved: NADP+ is primarily used in anabolic reactions, such as the Calvin cycle in photosynthesis, and is not a carrier reduced during glycolysis.