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Many bacteria can break down glucose aerobically. (A) Describe the path that the electrons from glucose take their final electron acceptor during aerobic respiration (point out the key intermediates). (B) How is the energy in these electrns used to produce ATP?

2007-02-25 16:27:22 · 2 answers · asked by Anonymous in Science & Mathematics Biology

2 answers

From Wikipedia:

Cellular Respiration is a process that describes the metabolic reactions and processes that take place in a cell to obtain chemical energy from fuel molecules. Energy is released by the oxidation of fuel molecules and is stored as "high-energy" carriers. The reactions involved in respiration are catabolic reactions in metabolism.

Fuel molecules commonly used by cells in respiration include glucose, amino acids and fatty acids, and a common oxidizing agent (electron acceptor) is molecular oxygen (O2). There are organisms, however, that can respire using other organic molecules as electron acceptors instead of oxygen. Organisms that use oxygen as a final electron acceptor in respiration are described as aerobic, while those that do not are referred to as anaerobic.

The energy released in respiration is used to synthesise molecules that act as a chemical storage of this energy. One of the most widely used compounds in a cell is adenosine triphosphate (ATP) and its stored chemical energy can be used for many processes requiring energy, including biosynthesis, locomotion or transportation of molecules across cell membranes. Because of its ubiquitous nature, ATP is also known as the "universal energy currency", since the amount of it in a cell indicates how much energy is available for energy-consuming processes.

2007-03-03 05:47:30 · answer #1 · answered by Teacher Man 6 · 0 0

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2016-12-14 05:52:44 · answer #2 · answered by ? 4 · 0 0

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