DP Biology (first assessment 2025)

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Question SPM.1A.HL.TZ0.13

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.13
Level HL Paper 1A Time zone TZ0
Command term Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
SPM.1A.HL.TZ0.13

How does the Miller-Urey experiment contribute to an explanation of the origin of life?


A.  It shows how phospholipids form protocells in specific laboratory conditions.

B.  It explains how organic molecules arise from inorganic ones under certain environmental conditions.

C.  It explains the synthesis of RNA, recreating deep sea vent conditions in the laboratory.

D.  It shows how the last universal common ancestor (LUCA) evolved from vesicles.

[1]

Markscheme

B

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