1.5 Origin of cells

Question 1

Abiogenesis

Answer 1

The theory that living cells arose from non-living matter

Question 2

4 key stages if Abiogenesis

Answer 2

• There was non-living synthesis of simple organic molecules (from primordial inorganic molecules)
• These simple organic molecules became assembled into more complex polymers
• Certain polymers formed the capacity to self-replicate (enabling inheritance)
• These molecules became packaged into membranes with an internal chemistry different from their surroundings (protobionts)

Question 3

Miller Urey Experiment

Answer 3

The non-living synthesis of simple organic molecules