Asked by Jaxon Young on Jul 20, 2024
Verified
How many rounds of the citric acid cycle does it take to harvest the energy from one molecule of glucose?
A) one
B) two
C) three
D) four
E) six
Citric Acid Cycle
A key metabolic pathway that takes place in the mitochondria, involving the oxidation of acetyl-CoA to carbon dioxide and ATP production, also known as the Krebs cycle.
Glucose
A basic form of sugar that serves as a crucial energy source for living beings and is a constituent of numerous carbohydrates.
- Describe the metabolic fate of different macromolecules (carbohydrates, fats, proteins) during cellular respiration.
Verified Answer
SN
Sarah NandkissoreJul 21, 2024
Final Answer :
B
Explanation :
It takes two rounds of the citric acid cycle to harvest the energy from one molecule of glucose because glucose is first split into two molecules of pyruvate through glycolysis, and each pyruvate is then converted into acetyl-CoA, which enters the citric acid cycle.
Learning Objectives
- Describe the metabolic fate of different macromolecules (carbohydrates, fats, proteins) during cellular respiration.