DP Biology (first assessment 2025)

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Question SPM.1A.HL.TZ0.18

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.18
Level HL Paper 1A Time zone TZ0
Command term Question number 18 Adapted from N/A
18.
[Maximum mark: 1]
SPM.1A.HL.TZ0.18

What activates a tyrosine kinase pathway in a cell following binding to a receptor?


A.  Odorant molecules

B.  Epinephrine

C.  Taste molecules

D.  Insulin

[1]

Markscheme

D

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