Question

What are the 2 main types of cells? What Is the main difference between the 2 types?

Answer 1

Prokaryotic cells:

1. Prokaryotic cells have a membrane-bound nucleoid. Examples of prokaryotes are cyanobacteria, E. coli, and Mycoplasma.

Eukaryotic cell:

1. These cells have membrane-bound organelles in addition to a nucleus. Eukaryotes can have a single cell or many cells. Examples of eukaryotes include animal cells and plant cells.

Difference between prokaryotic and eukaryotic cells:

Prokaryotic cell	Eukaryotic cell
1. They are unicellular.	1. Could be either unicellular or multi-cellular.
2. Cell wall: Generally present.	2. Cell wall: Can be present or absent.
3. Nucleus: Absent. Instead, they possess a nucleoid region in the cell.	3. Nucleus: Always present.
4. DNA is Circular.	4. DNA is linear.
5. Mitochondria are absent.	5. Mitochondria are generally present.