Tree of Life

Question 1

Protein World

Answer 1

• catalyze chemical reactions

- BUT unstable + no hereditary

Question 2

DNA World

Answer 2

• store genetic info + stable

- BUT no other functions

Question 3

RNA World

Answer 3

• catalyze chemical reactions
• store genetic info
• • LUCA

Question 4

Animal and Protist Genome

Answer 4

1/3 bacteria
1/3 archaea
1/6 novel
1/6 other

Question 5

Origin of Mitochondria

Answer 5

bacteria + archaea

• energy
• 2 genomes (nucleus, mitochondria)

Question 6

Genetic Merger

Answer 6

1) Feeding
2) Endocytosis
3) Sharing
4) Entrapment
5) Gene Transfer
6) Gene Integration

Question 7

Origin of Chloroplast

Answer 7

cyanobacteria + eukaryote

• produce ATP from light
• 3 genomes (nucleus, mitochondria, chloroplast)

Question 8

Secondary Chloroplast

Answer 8

Nucleomorph

• partial nucleus with chloroplast
• 4 genomes (2 nuclei, mitochondria, chloroplast)