Question Detail
Question
Which phase of respiration occurs outside mitochondria but feeds into mitochondrial pathways?
Correct Answer
Option A is the correct answer.
Detailed Explanation
Glycolysis is the breakdown of glucose into pyruvate. It occurs in the cytoplasm. The pyruvate is then transported into the mitochondrial matrix to be converted to acetyl-CoA for the Krebs cycle.
Hint
It's the initial, universal step of glucose metabolism.