Hi!
The answer is nucleoid .
Prokaryotic DNA can be found in a coiled loop floating in the cytoplasm in a region called the nucleoid .
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I think the answer is A) policeman
because one of the cell walls functions is to protect the cell and control what enters and what leaves
The gaps (approximately 1 micrometer wide) formed between myelin sheath cells long the axons are called Nodes of Ranvier. Since fat serves as a good insulator, the myelin sheaths speed the rate of transmission of an electrical impulse along the axon.