DP Biology (first assessment 2025)

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Question 21M.1A.SL.TZ2.27

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ2.27
Level SL Paper 1A Time zone TZ2
Command term Question number 27 Adapted from N/A
27.
[Maximum mark: 1]
21M.1A.SL.TZ2.27

What is a feature of transcription in the single-celled organism shown in the electron micrograph?

[Source: George E. Palade Electron Microscopy Slide Collection Harvey Cushing/John Hay Whitney Medical Library Yale University Library.]

A. mRNA splicing

B. Removal of introns

C. Codon-anticodon binding

D. Synthesis of RNA in a 5′ to 3′ direction

[1]

Markscheme

D

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