Lithuanian University of Health Sciences (LSMU) Entrance Practice Exam 2025 – Your All-In-One Guide to Success!

Question: 1 / 460

In which part of a cell does glycolysis occur?

Nucleus

Chloroplasts

Cell membrane

Cytoplasm

Glycolysis is the metabolic pathway that breaks down glucose into pyruvate, generating a small amount of ATP and NADH in the process. This pathway occurs in the cytoplasm of the cell, making that the correct answer.

The cytoplasm is the aqueous environment within the cell, where many metabolic processes take place, including glycolysis. This localization is essential because the enzymes necessary for the glycolytic pathway are present in the cytoplasm, allowing them to efficiently metabolize glucose derived from various sources.

In contrast, the nucleus is primarily involved in housing genetic material and is not the site for glycolysis. Chloroplasts are specific to plant cells and are involved in photosynthesis, not glycolysis. The cell membrane functions primarily as a barrier and a means of transport into and out of the cell, rather than a site for metabolic pathways like glycolysis.

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