The cell membrane protects the cell and keeps bad things like viruses from getting in the cell.<span>It consists of the lipid bilayer with embedded proteins.</span>
here is some help: these to photos should give you the answer to this chart hope it helps.
Your answer is D (4)
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Peace
Answer:
Creation of to diploid cells
Explanation:
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Answer:Wildebeest are considered keystone species because their presence has myriad effects on the ecosystem, unlike those of any other species. Wildebeest are the "lawnmowers" of the Serengeti grassland. They keep grass short which in turn reduces the frequency of fires.