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Date May 2017 Marks available 1 Reference code 17M.1.HL.TZ2.4
Level Higher level Paper Paper 1 Time zone Time zone 2
Command term Question number 4 Adapted from N/A

Question

What is evidence for the endosymbiotic theory?

A. RNA can catalyse metabolic reactions.

B. Meteorites contain organic molecules.

C. Amino acids can be synthesized from inorganic compounds.

D. Mitochondria possess their own DNA.

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 1: Cell biology » 1.5 The origin of cells
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Core » Topic 1: Cell biology
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