22.1 Deck For Quiz

Question 1

Oparine and haldane proposed what?

Answer 1

That organic molecules arose spontaneously on earth

Question 2

Primordial soup

Answer 2

Origin of life on earth through gradual chemical evolution of particles that contain carbon

Question 3

Prebiotic soup

Answer 3

That life first sprang from non life of various chemicals in the early earths oceans

Question 4

Reducing atmosphere hypothesis

Answer 4

Atmosphere was rich in water vapor, hydrogen gas, Methane and ammonia and made a reducing atmosphere

Question 5

Urey-miller experiment

Answer 5

Trying to re create conditions of that on early earth

Question 6

Extraterrestrial hypothesis

Answer 6

Organic molecules may have been present in the materials from asteroids and comets

Question 7

Deep sea vent hypothesis

Answer 7

The organic molecules may have originated in deep sea vents which are cracks in the earths surface and rich in metal ions

Question 8

Temperature gradient

Answer 8

Extremely hot vent water and then the cold water that surrounds the vent

Question 9

Complex biological community

Answer 9

Receive energy from complex chemicals and not directly from sunlight

Question 10

Clay

Answer 10

the muds and inorganic crystals in it are powerful and could make organic molecules

Question 11

Carbonyl sulfide

Answer 11

Simple gaspresent in volcanic gases

Question 12

Protobiont

Answer 12

Prebiotically produced molecules and macromolecules that acquired a boundary such as a lipid bilayer (they are enclosed)

Question 13

Coacervates

Answer 13

Hypotheziation for where living cells came from: droplets that form spontaneously from the association of charged polymers such as proteins, carbs, and nucleic acids surrounded by water

Question 14

Liposomes

Answer 14

Vesicles surrounded by a phospholipid bilayer

Question 15

Ribozymes

Answer 15

RNA molecules that catalyze chemical reacions

Question 16

Mutation

Answer 16

Changing of the structure of a gene, resulting in a variant form

Question 17

Chemical selection

Answer 17

Chemical within a mixture has special properties or advantages that cause it to increase in number relative to other chemicals in mixture

Question 18

Chemical evolution

Answer 18

Population of molecules changes over time to become a new population with different chemical composition