Origin of LIfe Flashcards

1
Q

first cooked up primoridial soup

A

1952 - Stanley Miller

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  • the notion that when Earth was young, the oceans were filled with simple chemicals important for life
  • these would eventually self-assemble into simple living cells
A

primordial soup

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

said that life may have formed from chemicals in some warm little pond

A

Charles Darwin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When was the Earth formed

A

4.5 billion years ago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Eon when the Earth first formed

A

Hadean Eon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

When did things settle down after the formation of Earth

A

4 billion years ago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Dawn when the things in Earth settled down

A

Archean Eon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

earliest possible time life could have started

A

Archean Eon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

non life became life

A

abiogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

said that life is a struggle agains entropy - the persistent resistance of decay, the preservation of DISequilibrium

A

Erwin Schrodinger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

simply a measure of disorder and affects all aspects of our daily lives

A

Entropy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

evolution through natural selection

A

Charles Darwin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Rules for Life

A

living things:
1. must work to avoid decay and disorder
2. have to create a closed system
3. must have some molecule that carry information

  1. information must evolve by natural selection
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

central dogma of biology

A

DNA-RNA-Protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Ribonucleic acid (RNA) with such a sequence and folding structure that it can act as an enzyme

A

Ribozyme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The idea that life can be distributed throughout the universe, from planet to planet

A

Panspermia

17
Q

LUCA

A

Last Universal Common Ancestor

18
Q

any of numerous small celestial bodies that may have existed at an early stage of the development of the solar system.

A

plantesimal

19
Q

where primitive life was about to emerge from

A

geyser cave

20
Q

emitted large amounts of radiation, creating a diverse range of materials, and eventually producing the early building blocks of ilfe

A

uranium ore

21
Q

temperature of geyser water

A

below 100°C

22
Q

one of the most crucial factors in producing the building blocks of life

A

wet and dry cycles

23
Q

what progressed under the wet and dry cycles

A

polymerization

24
Q

molecules were enclosed within lipid membranes

A

proto-cellular life

25
Q

primoridal soup components

A
  • water
  • hydrogen
  • methane
  • ammonia
  • carbon dioxide