If a person sleeps for 8 hours in one night, then about how many times do they cycle through the stages of sleep?

a. 10 times
b. 8 times
c. 5 ½ times
d. 6 ½ times

The definitive difference is the presence of a true (eu) nucleus (karyon) in the eukaryotic cell. The nucleus, a double-membrane casing, sequesters the DNA in its own compartment and keeps it separate from the rest of the cell. In contrast, no such housing is provided for the DNA of a prokaryote.

Explanation:

this is a hint hopefully you understand :)