A Level Biology: Lesson 45
Binary Fission (How Bacteria Divide)
Task 1. Check Where this Lesson fits into your Exam Specification!
Task 2. Watch the Revision Notes Lesson in Full.
00:00 Intro Screen
00:16 Learning Outcomes
00:43 - Introduction - All cells "reproduce"
01:17 Binary Fission - the division of a prokaryote
01:39 Binary Fission - Step 1.
02:00 Binary Fission - Step 2.
02:17 Binary Fission - Step 3.
02:36 Binary Fission - Step 4.
Check Your Spec!
★ AQA Specification Reference: - 3.2 Cells - 3.2.2 All cells arise from other cells. Binary fission in prokaryotic cells involves: Replication of the circular DNA and of plasmids. Division of the cytoplasm to produce two daughter cells, each with a single copy of the circular DNA and a variable number of copies of plasmids.
★ CIE: ★ Edexcel (Biology A – Salters-Nuffield): N/A
★ Edexcel (Biology B): N/A (However will be useful for Topic 6: Microbiology and Pathogens as basic introduction to bacterial cell division, before moving on to the different phases of a bacterial growth curve).
★ OCR (Biology A) N/A
★ OCR (Biology B): N/A
★ WJEC Specification Reference: - N/A (however will be useful as basic understanding of how bacterial cells divide, and therefore applied to growth conditions etc. covered section 4. Microbiology).