Cell structure in Eukaryotic cells

Q.

Do eubacteria contain peptidoglycan?

Q.

What is the most important difference between a prokaryote and a eukaryote cell?

1. The presence of heredity material in eukaryotes

2. The presence of true nucleus in eukaryotes

3. The presence of cell membrane in prokaryotes

4. The absence of centromere in prokaryotes