DP Biology (first assessment 2025)

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Question 22M.1A.SL.TZ1.3

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ1.3
Level SL Paper 1A Time zone TZ1
Command term Question number 3 Adapted from N/A
3.
[Maximum mark: 1]
22M.1A.SL.TZ1.3

What is/are required for facilitated diffusion?

I. A concentration gradient

II. ATP

III. A channel protein

A. I only

B. I and III only

C. II and III only

D. I, II and III

[1]

Markscheme

B

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