Question

a scientist is observing a eukaryotic cell and a prokaryotic cell. which structure could she only observe in the eukaryotic cell?
o cytoplasm
o dna
o ribosomes
o a nucleus

Explanation:

Both eukaryotic and prokaryotic cells have cytoplasm, DNA, and ribosomes. However, a key difference is that eukaryotic cells have a membrane - bound nucleus, while prokaryotic cells do not.

Answer:

a nucleus