D: 2 and 3 only
Oracle Prep sorts past-paper questions by topic, so you can drill Nucleic acids and protein synthesis and see which topics are most likely to come up next.
Sign up free →Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content
DNA molecules in a eukaryotic cell must be packaged compactly because their combined length is much greater than the …
A human chromosome is made up of different parts. Some parts of a typical human chromosome are more numerous than oth…
A piece of double-stranded DNA containing 12 × 10³ nucleotides is transcribed and translated to produce a single poly…
Describe the process of cyclic photophosphorylation and the structure of the photosystem involved.
Explain the role of auxin in cell elongation.
The diameter of a red blood cell in a diagram was measured as 2.5 cm. The actual diameter of the red blood cell was 7…