Question

variety of cells
which picture in the diagram would be classified as a prokaryote?
what characteristic makes the answer for question #1 a prokaryote?

Explanation:

Prokaryotic cells lack membrane - bound organelles. Cell A is a bacterium, which is a prokaryote. Eukaryotic cells (B, C, D) have membrane - bound organelles like mitochondria, nuclei etc.

Answer:

A. A
A. no membrane - bound organelles