IB Biology HL 1.2.16 Alternative splicing Question Bank
Practise IB Biology HL 1.2.16 by applying alternative splicing concepts to exam-style questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- identify the relevant biological structure, process or evidence
- apply the correct biological mechanism to the question
- evaluate the result using data, adaptation or ecological reasoning
D1.2.16 (HL)—Alternative splicing question 1
[Maximum number: 1]
The number of protein-coding genes in the human genome is estimated to be about 20000 , which is much less than the size of the proteome. What is one reason for this?
A
Exons are removed from RNA before translation.
B
There are more types of amino acids than nucleotides.
C
mRNA can be spliced after transcription.
D
Base substitutions occur during transcription.
C
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