3: Okamoto et al 2005

Question 1

what can endosymbiosis drive ?

Answer 1

evolution and diversification of plants and algae

Question 2

what 3 primary algae are direct descendants from a cyanobacterial symbiont?

Answer 2

red algae, green algae, land plants

Question 3

what happened in secondary endosymbiosis?

Answer 3

primary algae engulfed plastid leading to algal divisions

Question 4

what does secondary endosymbiosis unite? and what is it?

Answer 4

different cells into 1 organism

- gene transfer from symbiont to host nucleus and protein transport machinery back to symbiont

Question 5

in the flagellate Hatena what suggests it to be a symbiont?

Answer 5

structure inherited by 1 daughter cell

Question 6

what does a symbiont cell retain and lose compared to a non symbiont

Answer 6

nucleus, mitochondria, plastid

- loses cytoskeleton and endomembrane

Question 7

what does the Hatena life cycle alternate to?

Answer 7

from predator phase to autotrophic host phase