Origin of Eukaryotic Cells

Question 1

What’s the Endosymbiotic Theory (inside theory)

Answer 1

Protocells developed a symbiotic relationship with bacteria, engulfed them and used each other for benefits

Question 2

How do protocells benefit from coming together

Answer 2

-Bacteria gain protection and nutrients
-Protocells gain energy production and food production

Question 3

What is the evidence for the endosymbiotic theory

Answer 3

1. The size of these organelles matches bacteria
2. Have own DNA
3. Divide by binary fusion
4. Membranes: inside like bacterium, outside like eukaryotic cells