Answer:
B.) the cell wall is like a skeleton but a bit weaker and when their is a lot of cell walls it could get rely strong.
Explanation:
Answer: a star expels most of its outer material until only the hot core remains, which then settles down to become a young a white dwarf
Explanation:
The answer is B: P
in which the P stands for Parent generation
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A protein channel is a transport protein that helps larger molecules, that would otherwise not be able to diffuse through the membrane of a cell to move in or out of the cell depending on the concentration gradient.
