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Multiple Choice
Which of the following molecules in the process of glycolysis possesses the most chemical energy?
A
Pyruvate
B
Glucose
C
Fructose-6-phosphate
D
Glyceraldehyde-3-phosphate
E
Fructose-1,6-bisphosphate
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Verified step by step guidance
1
Understand the process of glycolysis: Glycolysis is a metabolic pathway that converts glucose into pyruvate, releasing energy and producing ATP and NADH in the process.
Identify the molecules involved in glycolysis: The key molecules include glucose, fructose-6-phosphate, glyceraldehyde-3-phosphate, fructose-1,6-bisphosphate, and pyruvate.
Consider the energy content of each molecule: The energy content is related to the number of high-energy phosphate bonds and the potential for further oxidation.
Recognize that fructose-1,6-bisphosphate is an intermediate in glycolysis: It is formed from fructose-6-phosphate and has two phosphate groups, which contribute to its high energy content.
Conclude that fructose-1,6-bisphosphate possesses the most chemical energy among the listed molecules due to its structure and position in the glycolytic pathway.