Question

level 3
q1
where in a eukaryotic cell does the krebs cycle occurs?
a. chloroplast
b. mitochondria
c. nucleus
d. cytosol

Explanation:

To solve this, we analyze each option:

• Option A: Chloroplasts are for photosynthesis, not the Krebs cycle.
• Option B: The Krebs cycle (citric acid cycle) occurs in the matrix of mitochondria in eukaryotic cells.
• Option C: The nucleus is for genetic material storage and transcription, not the Krebs cycle.
• Option D: Cytosol is where glycolysis occurs, not the Krebs cycle.

Answer:

B. Mitochondria