1. Which feature is found in prokaryotic cells but not in eukaryotic cells?

A. nucleoid
B. plasma membrane
C. nucleus
D. cytoplasm

2. A scientist finds an unusual living thing and decides to study it.

Which observation indicates that the living thing is among the smallest types of living things?

A. It is multicellular.
B. It possesses a membrane-bound nucleus.
C. It does not have a nucleus.
D. It possesses a hard outer shell.