1. C
2. D
3. G
4. A
5. F
6. I
7. E
8. H
9. B
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The answer to this question is <span>membrane potential
The gradient of electrolyte concentration from inside cell and outside cell will determine the membrane potential. Natrium or sodium is much higher outside the cell than inside cell. In contrast to the sodium, potassium is much more inside cells. This two electrolyte have major role in the membrane potential and action potential. </span>
A<span>nother nutrient, fat, stores energy. Before your body can use these nutrients, they must be broken into smaller substances. is the </span>process<span> of </span>breaking down food<span> into usable materials. Your digestive system transforms the energy and materials in </span>food<span>into forms your body can use.</span>
Answer:
B
Explanation:
The nuclear envelope is a double-layered membrane that encloses the contents of the nucleus during most of the cell's lifecycle.
