Loading Worked Solutions…
📖 View-only — solutions are for on-screen study and cannot be downloaded.
Full step-by-step worked solutions to every multiple choice question, written by experienced IB Biology SL teachers.
📖 View-only — solutions are for on-screen study and cannot be downloaded.
More practice?
Back to the Nucleic Acids MCQs, browse the Biology SL Exam Practice index, or review the Biology SL Revision Notes.
Book a free 1-on-1 with an IB Biology SL examiner.
IB Demystified is a trusted online learning platform led by certified IB examiners and educators.
© 2026 IB Demystified LTD ALL RIGHTS RESERVED. Powered by AfiaDigital