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Ugo [173]
3 years ago
13

Like all cells, the neurons' internal organization dictates its function. Neurons have relatively many mitochondria, an extensiv

e network of rough endoplasmic reticulum and many clusters of ribosomes. These cellular features indicate all of the following EXCEPT ________.A) Neurons must meet a high demand for ATP.B) neurons have stable, relatively unchanging internal environments.C) neurons produce many proteins.D) neurons have a relatively high consumption of oxygen.
Biology
1 answer:
vovikov84 [41]3 years ago
7 0

Answer:

B) neurons have stable, relatively unchanging internal environments.

Explanation:

Rough endoplasmic reticulum (RER) is studded with ribosomes which in turn serve as the site for protein synthesis. A cell with an extensive network of rough endoplasmic reticulum has higher rates of protein synthesis. Mitochondria are the powerhouse of cells and serve as the site for aerobic cellular respiration. A large number of ATP molecules are produced in mitochondria. Therefore, a cell with relatively many mitochondria appears to have a higher demand for ATP and higher consumption of oxygen.

A cell with higher rates of consumption of ATP and protein synthesis should be functionally active. The charge across the membrane and the internal concentration of ions such as Na+, K+ of a neuron keep on changing during the conduction of nerve impulse. Therefore, the presence of many mitochondria and RER does not indicate that the neurons maintain relatively constant internal conditions.

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