Which of the following is a molecule formed in a metabolic pathway by the equal splitting of a phosphorylated hexose into two halves?
Correct answer: D. Triose phosphate
- A. Acetyle coenzyme A
- B. Ribulose bisphosphate
- C. Fructose 1, 6-bisphosphate
- D. Triose phosphate
Explanation
Triose phosphate refers to a class of three-carbon sugar phosphates that play critical roles in cellular metabolism, particularly in glycolysis, gluconeogenesis, and the Calvin cycle of photosynthesis. Two common triose phosphates are glyceraldehyde-3-phosphate (G3P) and dihydroxyacetone phosphate (DHAP).
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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