They both have a bilipid cell membrane. This means that their cell membrane is composed of phospholipids. Both cells also have ribosomes. This is a critical cell organelle that is involved in the translation of mRNA to proteins. Their genetic material is also made up of deoxyribose sugars (DNA).
Why am I slightly threatened by this?
Answer:
Before cell division must occur, the chromosomes must replicate themselves. Sister chromatids are the two initially identical copies.