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IB Biology HL C3.2.7 Antigens Questions

Explore how protein or glycoprotein antigens are recognized by antibodies and lymphocyte receptors to trigger specific immunity in IB Biology HL C3.2.7.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Define an antigen as a non-self molecule, often a protein or glycoprotein, whose specific shape is recognized by an antibody or lymphocyte receptor and triggers a specific immune response.

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Study C3.2.7—Antigens conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL C3.2.7 Antigens Questions question 1

[Maximum number: 1]

What describes antigens?

A

They catalyze immune reactions.

B

They activate specific white blood cells.

C

They destroy bacteria but not viruses.

D

They are only produced by white blood cells.

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