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Iteru [2.4K]
3 years ago
5

Cellular respiration included the metabolic pathways of glycolysis, the Krebs cycle, and the electron transport chain, as repres

ented in the figures. In cellular respiration, carbohydrates and other metabolites are oxidized, and the resulting energy-transfer reactions support the synthesis of ATP.
Using the information above, describe ONE contribution of each of the following in ATP synthesis.
1. Catabolism of glucose in glycolysis and pyruvate oxidation.
2. Oxidation of intermediates in the Krebs cycle.
3. Formation of a proton gradient by the electron transport chain.
Biology
1 answer:
Vikki [24]3 years ago
5 0

Cellular respiration included the metabolic pathways of glycolysis, the Krebs cycle, and the electron transport chain is described below.

Explanation:

1. Catabolism of glucose in glycolysis and pyruvate oxidation-Produces NADH for use in ETC.Produces acetyl-CoA for entry into kerbs cycle.Provides energy for phosphorylation of ADP.

2. Oxidation of intermediates in the Krebs cycle-Produces NADH or FADH2 for use in ETC.Releases high energy electrons for use in ETC.Provides energy to pump protons against their concentration gradient.Produces GTP for phosphorylation of ADP.

3. Formation of a proton gradient by the electron transport chain-The flow of protons through membrane-bound ATP synthase generates ATP.Provides energy for phosphorylation of ADP.

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You step outside without a jacket and it is cold outside. Your hypothalamus sends signals to make you shiver. This warms you up
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<em><u>Homeostasis</u></em>

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Negative feedback: Blood glucose levels, temperature control, and body temperature are two examples.

-Negative feedback: accumulation of an end product of a process slows that process.

-Positive feedback: the end product speeds up its own production. Regulation is important because without it we would bleed out from small cuts because we wouldn't be able to form blood clots. Or we wouldn't be able to form ATP. Regulatory mechanisms help us do the important tasks needed to sustain life.

Hope this helps! :)

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