DNA replication is semi-conservative because

  1. each new molecule has one old strand and one new strand
  2. only half the DNA is copied
  3. both strands are new
  4. the original molecule is conserved intact
Answer

A) each new molecule has one old strand and one new strand

Definition of semi-conservative. AS & A Level Biology · Topic 6 Nucleic Acids and Protein Synthesis · 6.1 Structure of nucleic acids and replication of DNA

Biology MCQ · More A Level Biology: Nucleic acids and protein synthesis MCQs · Practise