← Back to full paperPrevious questionNext question

Question 37

From Biology HL Paper 1 (May 2024, TZ2)

Grade your answerAnswer this question in practice mode and submit it for feedback.Practice under timed constraintsOpen the paper flow with timed full-exam navigation.
View source PDF page 25
  1. The image of a pregnancy test shows a positive result. The band that indicates pregnancy develops when molecules that are present in the strip are immobilized after binding to the female hormone HCG.
Diagram of a pregnancy test strip with two lines indicating a positive result, labeled 'Control' and 'Positive'.
Diagram of a pregnancy test strip with two lines indicating a positive result, labeled 'Control' and 'Positive'.

What are the molecules that bind to HCG?

Textbook topics in this question

Review the exact course sections assessed by each question part.

Mixed-topic question