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maxonik [38]
3 years ago
15

An atmospheric gas expelled by body cells

Biology
1 answer:
nikklg [1K]3 years ago
5 0
Carbon dioxide :)
hope it helps!
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Answer: (B) to function as the final electron acceptor in the electron transport chain.

Explanation:

Oxidative phosphorylation is a process that takes place in cellular respiration. It consists of two component pathways which includes the electron transport chain (etc) and chemiosmosis.

In etc the electrons are passed from one to another molecule, the energy is released by the electrochemical gradient.  

In chemiosmosis, the energy stored in the electrochemical gradient is used to produce energy molecules in the form of ATP (Adenosine triphosphate).  

The oxygen is present at the end of the etc. It's function is to accept the electrons also picks up the protons to form water. If oxygen is absent then no molecule will accept the electrons, the electron transport chain will stop. There will be no chemiosmosis as the ATP will not be produced in the absence of formation of a electron gradient.

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4 years ago
What kind of molecules dissolve easily in water? What types do not dissolve easily in Water?
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Polar molecules (with +/- charges) are attracted to water molecules and are hydrophilic. Nonpolar molecules are repelled by water and do not dissolve in water; are hydrophobic.

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3 years ago
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Kamila [148]
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Cohesion is most often caused by?
valentinak56 [21]

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