Answer: Cells of an organism tell each other when predators are near.
Explanation:
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Answer:
I believe the answer is A. An organ system supports all parts of the organism.
Explanation:
This answer makes the most sense to me.
Answer:
Ribosomes are found 'free' in the cytoplasm or bound to the endoplasmic reticulum (ER) to form rough ER.
Explanation:
In a mammalian cell there can be as many as 10 million ribosomes. Several ribosomes can be attached to the same mRNA strand, this structure is called a polysome.