Theories on the Origin of Life

Question 1

theories on the origin of life

Answer 1

1. spontaneous generation
2. biogenesis
3. biochemical solution to life

Question 2

spontaneous generation

Answer 2

“life arises from non-living matter”

Question 3

biogenesis

Answer 3

“life came from pre-existing life”

supported by Pasteur experiment

Question 4

biochemicals solution to life

Answer 4

most accepted theory

Question 5

4-stage hypothesis of biochemicals solution to life

Answer 5

a) abiotic synthesis of organic molecule like amino acid and nucleotides
b) joining of monomers: proteins and nucleic acid
c) self-replication
d) cells form membranes: protobiont’s “coacervantes”