The Secret of Cell Division: Walkthrough

Section role: supports the 'The Secret of Cell Division' section while the teacher formalizes the biological mechanism using the embedded video and connects the students' prior logic models to scientific terms. Slides: (1) Title — 'The Secret of Cell Division: Where Do New Cells Come From?'; (2) The Pre-existing Cell Rule — bullets: cells never appear from nowhere, coming only from earlier cells; (3) DNA Replication — blueprint copying mechanism before division begins; (4) Chromosomes — organized DNA structures ready for splitting; (5) Mitosis Walkthrough — visual steps of one parent cell dividing into two identical daughter cells; (6) Growth and Repair in Action — connecting mitosis back to growing from an infant to an 11-year-old and healing a knee scratch; (7) Tissue Generation — how cell division builds complex tissues; (8) Closing slide — 'If cell division is constantly happening inside you, why don't you just keep growing forever?' — sets up the discussion on tissue regeneration limits in the next section.

Lara de Teachy