DP Biology (first assessment 2025)

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Question 20N.1A.HL.TZ0.30

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1A.HL.TZ0.30
Level HL Paper 1A Time zone TZ0
Command term Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
20N.1A.HL.TZ0.30

The diagram shows a section through a thylakoid. Electrons move from X to Y.

[Source: Courtesy Alyse Da Quynh.]

 

What do the letters X, Y and Z represent?

[1]

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B

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