Oxidative phophorylation

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6 Terms

1
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Oxidative phosphorylation and mitochondria

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2
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The electron transfer chain and the synthesis of ATP: electrong transfer chain

At the end Of the chain the electrons combine with these protons

and oxygen to form water. Oxygen is therefore the final acceptor of

electrons in the electron transler chain.

<p>At the end Of the chain the electrons combine with these protons </p><p>and oxygen to form water. Oxygen is therefore the final acceptor of </p><p>electrons in the electron transler chain. </p>
3
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Releasing energy in stages:

In general, the greater the energy that is released in a Single step.

the more 01 it is released as heat and the less there is available lor

more useful purposes. When energy is released a little at a time.

more of it can be harvested for the benefit of the organism. For this

reason, the electrons carried by NAD and FAD are not transferred in

one explosive step. Instead they are passed along a series of electron

transfer carrier molecules. each of which is at a slightly lower energy

level (Figure 3). The electrons therefore move down an energy

gradient. The transfer of electrons down this gradient allows their

energy to be released gradually and therefore more usefully.

4
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Alternative respiration substrates:

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Respiration of lipids:

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Respiration of protein:

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