Answer:
your right!
Explanation:
i had something like this and i got a 100% on my exam the evolution issue was sometime in the 1990's.
Prokaryotic cells also have loose/free/a ring of DNA (not confined to a nucleus) and they can also sometimes have a capsule (slimy outer layer). Also they have slightly smaller ribosomes- 70s instead of 80s.
The answer is gametes, or sex cells.