Florida Biology EOC Practice Test 2025 - Free Biology End-of-Course Practice Questions and Study Guide

Question: 1 / 400

In which part of the cell does glycolysis occur?

Nucleus

Cytoplasm

Glycolysis occurs in the cytoplasm of the cell, which is where glucose is broken down into pyruvate, producing a small amount of ATP and NADH in the process. This metabolic pathway does not require oxygen and can take place in both aerobic and anaerobic conditions. The cytoplasm is the gel-like substance that fills the cell and contains all the organelles, making it the ideal environment for glycolysis to take place.

In contrast, other cellular processes such as the citric acid cycle and oxidative phosphorylation occur in the mitochondria, and ribosomes are involved in protein synthesis, while the nucleus is primarily responsible for storing genetic information and coordinating activities such as gene expression.

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Mitochondria

Ribosome

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