Biology: NUCLEIC ACIDS (AHL) Topical Past Paper Questions
IB Diploma Programme Biology past-paper questions on NUCLEIC ACIDS (AHL), free. This topic is frequently examined across 17 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Nucleic acids store and transmit genetic information from one generation to the next and regulate the process of protein synthesis. (a) Draw a labelled diagram to show the structure of a single nucleotide of RNA. (b) Explain the role of RNA in translation, resulting in the format…
The structure of a transfer RNA (tRNA) molecule is shown in the diagram. The attached amino acid, which is aspartic acid, is indicated by the arrow. (a) Deduce the function of bases CUG. 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000…
The diagram shows a nucleosome from the nucleus of a eukaryotic cell. (a) Identify the protein labelled in the diagram. [1] (b) Outline how nucleosomes affect the transcription of DNA. [1] The image shows the regulation of the gene responsible for producing lactase. (c) Identify:…
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