The answer is A . nucleus and the cytoplasm.
Myelin sheaths are found on the outside of nerve cells. They protect the sensitive axons underneath like how insulation protects wires.
answer is D
antelopes with muscular legs are able to outrun their predators better than antelopes with poor muscle tone. they lived to reproduce .
Answer:
We turn now to transcription in eukaryotes, a much more complex process than in prokaryotes. In eukaryotes, transcription and translation take place in different cellular compartments: transcription takes place in the membrane-bounded nucleus, whereas translation takes place outside the nucleus in the cytoplasm.