Which of the following is a product of glycolysis?
Lactate
Carbon dioxide
Pyruvate
Acetyl-CoA
The Correct Answer is C
A. Lactate is produced during anaerobic metabolism (when oxygen is scarce) as a byproduct of glycolysis, but it is not the direct product of glycolysis itself.
B. Carbon dioxide is a byproduct of cellular respiration, specifically during the Krebs cycle, not glycolysis.
C. Pyruvate is the end product of glycolysis, where glucose is broken down into two molecules of pyruvate.
D. Acetyl-CoA is formed from pyruvate during the transition step before the Krebs cycle, not directly from glycolysis.
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Correct Answer is C
Explanation
A. Lactateis produced during anaerobic metabolism (when oxygen is scarce) as a byproduct of glycolysis, but it is not the direct product of glycolysis itself.
B. Carbon dioxideis a byproduct of cellular respiration, specifically during the Krebs cycle, not glycolysis.
C. Pyruvateis the end product of glycolysis, where glucose is broken down into two molecules of pyruvate.
D. Acetyl-CoAis formed from pyruvate during the transition step before the Krebs cycle, not directly from glycolysis.
Correct Answer is B
Explanation
A. Wastes; nutrients and oxygen: Wastes pass from the fetal blood to the maternal blood, and nutrients and oxygen pass from the maternal blood to the fetal blood.
B. Oxygen and nutrients; wastes: Oxygen and nutrients pass from maternal blood to fetal blood, and wastes pass from fetal blood to maternal blood.
C. Wastes and nutrients; oxygen and carbon dioxide: Nutrients and oxygen pass from maternal to fetal blood, while wastes and carbon dioxide pass from fetal to maternal blood. This option is incorrect because it lists wastes and nutrients incorrectly.
D. Carbon dioxide; nutrients: Carbon dioxide and other wastes pass from fetal to maternal blood, while nutrients pass from maternal to fetal blood.