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NDA 2023 GAT · General Knowledge · Human Physiology · hard

The Krebs cycle in a eukaryotic cell takes place in the

Single correct option

The Krebs cycle in a eukaryotic cell takes place in the
  1. A. Mitochondrial matrix
  2. B. Cytoplasm
  3. C. Nucleus
  4. D. Inner surface of the ribosome
Show answer and solution

Answer: (A) Mitochondrial matrix

Glycolysis happens in the cytoplasm, but pyruvate then enters the mitochondrion where the Krebs (citric acid) cycle runs in the matrix, releasing CO2 and reduced carriers. The nucleus and ribosomes take no part.
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Original question written in the NDA 2023 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake