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Questions and Answers
What is the primary purpose of digestion in the context of carbohydrate metabolism?
What is the primary purpose of digestion in the context of carbohydrate metabolism?
- To produce chemical energy in the form of ATP
- To break down food molecules into simpler chemical units for cellular use (correct)
- To convert glucose into pyruvate
- To produce NADH reduced coenzymes
In which stage of glycolysis does the phosphorylation of glucose to yield glucose 6-phosphate occur?
In which stage of glycolysis does the phosphorylation of glucose to yield glucose 6-phosphate occur?
- Anaerobic pathways
- Six-Carbon Stage (Step 3)
- Six-Carbon Stage (Step 2)
- Six-Carbon Stage (Step 1) (correct)
What is the end product of glycolysis?
What is the end product of glycolysis?
- Fructose 6-phosphate
- Glucose 6-phosphate
- Pyruvate (correct)
- Fructose 1,6-Bisphosphate
Which type of pathways do not require molecular oxygen as a participant?
Which type of pathways do not require molecular oxygen as a participant?
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What is the main form of chemical energy produced during glycolysis?
What is the main form of chemical energy produced during glycolysis?
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Study Notes
Carbohydrate Metabolism
- The primary purpose of digestion in the context of carbohydrate metabolism is to break down carbohydrates into simpler molecules, such as glucose, that can be absorbed and utilized by the body for energy.
Glycolysis
- The phosphorylation of glucose to yield glucose 6-phosphate occurs in the first stage of glycolysis.
- The end product of glycolysis is pyruvate.
Anaerobic Pathways
- Anaerobic pathways, such as fermentation, do not require molecular oxygen as a participant.
Energy Production
- The main form of chemical energy produced during glycolysis is ATP (adenosine triphosphate) and NADH.
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