Biology Cell AJK 2019
PMDC Verified Question 111 of 143
Glycolysis is the common stage in both aerobic and anaerobic respiration and it occurs in ____ of the cell.
A
Chloroplast
B
Inner membrane of mitochondria
C
Mitochondrial matrix
D
Cytoplasm
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: Cytoplasm
Concept: Cellular respiration happens in distinct cellular compartments.

Solution: Glycolysis (the splitting of glucose into two molecules of pyruvate) requires enzymes that are dissolved freely in the cytosol. Therefore, it occurs in the cytoplasm.

Distractor Autopsy: The Krebs cycle occurs in the mitochondrial matrix, and the Electron Transport Chain occurs on the inner mitochondrial membrane.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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