DP Biology (first assessment 2025)

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Question 23M.1A.HL.TZ2.4

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.HL.TZ2.4
Level HL Paper 1A Time zone TZ2
Command term Question number 4 Adapted from N/A
4.
[Maximum mark: 1]
23M.1A.HL.TZ2.4

What is evidence for the endosymbiotic theory?

A.  Eukaryote mitochondria contain DNA.

B.  Prokaryotes evolved before eukaryotes.

C.  Unicellular organisms exist as both prokaryotes and eukaryotes.

D.  Prokaryote cells have no double membranes.

[1]

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A

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