Eukaryotes Flashcards
1
Q
When did eukaryotes first arrive in Earth’s timeline?
A
1.6 BYA at the end of the Paleoproterozoic during the Proterozoic Eon
2
Q
Endosymbiotic theory
A
The theory proposes that Eukaryotes arose from an Archaea with a bacterium inside of it, both helping each other survive
3
Q
Evidence for the endosymbiotic theory
A
Mitochondria and Chloroplast are the same sisze as prokaryotes
Circular DNA like prokaryotes
M & C do binary fission
Membrane similar to prokaryotes
Within the Eukaryote genome, there are no blueprints for the mitochondria or chloroplast
4
Q
What are unique eukaryotic features
A
Nucleus with an nuclear membrane and nuclear pores Mitochondria Cytoskeleton Mitosis Sex Linear Chromosomes
5
Q
What are the 3 different sexual life cycles
A
Diplontic, haplontic, alternation of generations or haplodiplontic