5. Symbiosis - Mutualism Flashcards
1
Q
What is mutualism?
A
A relationship between two members of two different species where both benefit
2
Q
What are three examples of mutualism?
A
Cellulose digesting protozoa
bacteria in guts of many herbivores
photosynthetic algae in the polyps of coral
3
Q
What are mitochondria and chloroplasts symbionts of?
A
Eukaryotic cells
4
Q
What is some evidence for the symbiotic origin include?
A
Chloroplasts and mitochondria have circular DNA while eukaryotic cells have linear DNA. Sequence data
5
Q
What four things make chloroplasts and mitochondria different to other?
A
Smaller ribosomes, double membrane, different inner membrane chemistry, no histones