BIOEB Questions

Question 1

why did life arise on the subsurface of the planet

Answer 1

due to land being all water, and earth originating from deep volcanos (the subsurface hypothesis)

Question 2

Three steps of central dogma

Answer 2

DNA,RNA,Proteins

Question 3

the four stages of biochemical origins theory

Answer 3

abiotic synthesis of small organic molecules, joining of these small molecules into macro(group) molecules, packaging of molecules into products, origin of self-replicating molecules.

Question 4

subsurface hypothesis

Answer 4

proposes self-replicating cells arose from water bodies in the earths surface of inorganic and organic molecules.

Question 5

what do hydrothermal vents provide

Answer 5

rich mineral environment, reduction potential
protection from UV rays, Environment stability

Question 6

four stages of endosymbiotic theory

Answer 6

one host engulfed a cell
the engulfed cell was not broken down
the engulfed cell produced benefits to the host, energy, the engulfed cell becomes permanently incorporated into the host