Not many A-level Biology students get all 5 marks on this question

Join us every week on Zoom for the Edexcel IAL Chemistry Course as we prepare for the exams in 2026 click the link below https://www.chem-bio.info/live-ial-cl... Get the entire Edexcel IAL chemistry course for 2026 to study at your own pace the course includes lectures, quizzes, notes and solved past papers https://www.chem-bio.info/as-chemistr... ⸻ In this video, we’ll break down DNA replication — a topic that frequently appears in IAL Biology exams and is often worth 5 marks. Students lose marks here not because they don’t know the process, but because they miss specific key terms that examiners expect. We’ll go step-by-step through what happens when DNA replicates: the role of enzymes like helicase and DNA polymerase, how complementary base pairing ensures accuracy, and why the process is described as semi-conservative. If you’re preparing for your Edexcel IAL Biology Unit 1 exam, this explanation will help you write a perfect 5-mark answer with the right terminology and sequence. ⸻ #ialbiology #edexcelbiology #dnareplication #biologyrevision #mrhosni #chembio #ialunit1 #biologyexam #edexcelial #asbiology