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Date November 2013 Marks available 2 Reference code 13N.3.SL.TZ0.11
Level Standard level Paper Paper 3 Time zone TZ0
Command term Question number 11 Adapted from N/A

Question

Outline two processes needed for the spontaneous origin of life on Earth.

Markscheme

non-living synthesis of organic molecules;

formation of polymers;

origin of self-replicating molecules;

packing of molecules into membranes/protobionts;

(Do not accept reference to reducing atmosphere unless part of a process)

Examiners report

This question proved easy for candidates with most earning 2 marks.

Syllabus sections

Core » Topic 5: Evolution and biodiversity
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