ConceptConceptDocsDocuments

CAIE A-Level Biology 6.2.4 DNA Strands in Transcription

Practise distinguishing template from non-template DNA, reading the template 3′ to 5′ and building complementary mRNA 5′ to 3′ with uracil replacing thymine.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • recognise that RNA polymerase reads the template DNA strand in the 3′ to 5′ direction
  • build complementary RNA in the 5′ to 3′ direction using uracil in place of thymine
  • compare mRNA with the non-template strand: the base sequence matches except for U replacing T

No Question Bank Yet

Questions will appear here when available.