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Aerobic cellular respiration can be broken down into three main steps: glycolysis, the citric acid cycle (Krebs cycle), and the electron transport chain coupled with oxidative phosphorylation.

1)Glycolysis occurs in the presence or absence of oxygen and is when glucose is broken down. This occurs in the cytoplasm. The result of glycolysis is two molecules of ATP, pyruvate, and NADH.

2)Before the second main step begins, the pyruvate undergoes oxidization in the mitochondria and is converted into Acetyl-CoA. NADH gains electrons and carbon is lost, which forms CO2.

3)The second step is the citric acid cycle or TCA cycle or Krebs cycle. This complex cycle results in two carbon dioxide molecules, one GTP/ATP, and reduced forms of NADH and FADH2.

4)The last main portion of cellular respiration is oxidative phosphorylation. Electrons from NADH and FADH2 are transferred through the membrane of the mitochondria. When hydrogen ions come back across the membrane, ATP is synthesized though what is called the ATP synthase complex.

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Nikon Chakma

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3y ago
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13y ago

glycolysis → acetyl CoA → citric acid cycle → electron transport chain

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12y ago

For aerobic respiration the steps are: glycolysis, formation of acetyl coenzyme A, the Krebs cycle, and the electron transport chain.

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11y ago

Energy is extracted in two steps.Glycolisis and kreb cycle.

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Q: What are the steps as energy is extracted from glucose during cellular respiration?
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Related questions

Is glucose made during cellular respiration?

no]


What oxidized during cellular respiration?

Glucose is. In cell respiration, the carbon atoms of glucose are oxidized.


What does a plant use during cellular respiration?

glucose


What substances are nedded for cellular respiration to take place and what substances are during cellular respiration?

The substances that are needed for cellular respiration are glucose and oxygen. During cellular respiration, the cells convert food into usable energy.


What product of photosynthesis is used in cellur respiration?

The product of photosynthesis used in cellular respiration is glucose. Glucose is created during photosynthesis and then broken down in cellular respiration to produce energy for the cell.


What is oxidized during the oxidation stage of cellular respiration?

Glucose is. In cell respiration, the carbon atoms of glucose are oxidized.


Where do cells primarily get this energy?

Cells primarily get energy from the food they consume, specifically from the glucose molecules extracted during the process of breaking down carbohydrates. This glucose is converted into ATP through cellular respiration, which is the primary source of energy for cellular functions.


What happens during glycolsis in cellular respiration?

glucose is changed into pyruvate


What happens during glucolysis in cellular respiration?

glucose is changed into pyruvate


Cellular respiration does not produce what?

Cellular respiration does not produce glucose. Instead, glucose is broken down during cellular respiration to produce energy in the form of ATP.


Does cellular respiration release glucose?

Yes - glucose is broken down in the first step of cellular respiration. This stage is known as glycolysis and occurs in the cytoplasm. Cellular respiration begins with glucose and ends creating ATP.


Where does the carbon dioxide come from in cellular respiration?

The carbon dioxide in cellular respiration comes from the breakdown of glucose molecules during the process. When glucose is broken down in the presence of oxygen, carbon dioxide is produced as a byproduct.