Respuesta :

Answer:

A. glucose

Explanation:

In cellular respiration, electrons from glucose move gradually through the electron transport chain towards oxygen, passing to lower and lower energy states and releasing energy at each step.

Cellular respiration is a series of chemical reactions that breaks down glucose to produce ATP.  This process includes glycolysis, the Krebs cycle, and oxidative phosphorylation.

  • The molecule that loses electrons in cellular respiration is GLUCOSE.

  • During cellular respiration, electrons (e-) from glucose move in an electron transport chain (ETC) towards molecular oxygen (O2), the final acceptor of electrons.

  • This process releases energy, which is used to produce high-energy bonds of the adenosine triphosphate (ATP) molecule from adenosine diphosphate (ADP) and phosphate (Pi).

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