Question

which of the following is true about cells?
a. in general, prokaryotic cells do not have a true nucleus or membrane - bound organelles, whereas eukaryotic cells contain both a nucleus and organelles enclosed by membranes.
b. in general, eukaryotic cells do not have a true nucleus or membrane - bound organelles, whereas prokaryotic cells contain both a nucleus and organelles enclosed by membranes.
c. both eukaryotic cells and prokaryotic cells always contain both a true nucleus that is well - defined and organelles that are separated from the cytoplasm by membranes.
d. neither prokaryotic cells nor eukaryotic cells ever contain both a true nucleus that is well - defined and organelles that are separated from the cytoplasm by membranes.

Explanation:

Prokaryotic cells lack a true nucleus and membrane - bound organelles. Eukaryotic cells have a well - defined nucleus and membrane - bound organelles.

Answer:

A. In general, prokaryotic cells do not have a true nucleus or membrane - bound organelles.