1.5 Origin Of Cells

Question 1

Origin Of Cells

Answer 1

-developed from non living material
-cells can only come from a pre existing one

Question 2

Endosymbiosis

Answer 2

-cells developed by mitochondria
-prokaryotic cells which evolved
-mitochondria and chloroplasts were first to form

Question 3

Evidence: Mitochondria & Chloroplasts

Answer 3

-own genes
-own ribosomes
-synthesise (some) own proteins
-can be produced by pre existing ones