Q:

In eukaryotic cells, where does glycolysis occur?

A:

Quick Answer

According to the biology department at Georgia Tech, glycolysis occurs in the cytoplasm in eukaryotic cells. This process converts glucose into pyruvic acid though a chemical reaction.

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Full Answer

Glycolysis starts with glucose molecules that have been transferred to the eukaryotic cell from the bloodstream to the cell's cytoplasm. The glucose gains two phosphate molecules as it reacts with two ATP units. The resulting molecule splits into two halves. Several chemical reactions convert each half molecule into a pyruvate molecule. As electrons transfer during the reactions, four ATP units form, for a net gain of two ATP units. If oxygen is present, the pyruvate then oxidizes for a larger ATP gain.

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Related Questions

  • Q:

    What is the purpose of glycolysis?

    A:

    Glycolysis is the first step of cellular respiration, the process by which living cells break down glucose into small, energy-containing molecules called ATP. In glycolysis, a single glucose molecule breaks down into two molecules of pyruvate, which can then be broken down further to release ATP. Glycolysis itself releases two molecules of ATP per molecule of glucose.

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  • Q:

    Where does glycolysis occur?

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    Glycolysis occurs in the cytosol, also known as intracellular fluid or cytoplasmic matrix, which is the liquid found in cells. The cytosol is separated by membranes into lots of compartments and is made of many different substances dissolved into water.

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    Where in the cell does glycolysis occur?

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    What are the four organelles in eukaryotic cells?

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