Question

Looking at a cell under a microscope, you note that it is prokaryote. How do you know?\

Answer 1

C) The cell lacks nucleus.

A Prokaryotic cell does not contain a nucleus. It only contains one chromosome and is a single-celled organism. It was the only form of life on earth for millions of years. Examples of a Prokaryotic cell are the different types of bacteria present today. 

A Eukaryotic cell contains a nucleus; more than one chromosome and is typically a multi-celled organism.  Both plant and animal cells are eukaryotic cells.

Answer 2

C) The cell lacks a nucleus.

A eukaryotic cell has a nucleus, but prokaryotic cells do not.