1. Reminders! S4 seminar is held on Wednesdays -EXTRA CREDIT!!! Wear your ID badge EVERY DAY Short day – 31st Please bring your notebook EVERY DAY End of 1 st Quarter is Oct. 30 (2 days) – no more late work will be accepted Show What I Know – due today! Special guest speaker this week

2. Objectives Content Objective (what will you learn today?): Students will: – Explain the difference between passive and active transport – Explain the difference between hypertonic, hypotonic, and isotonic solutions Language Objective (HOW will I learn the content objective?): Students will: – Review cellular respiration – Review unit 1

3. Bell Work Week 10 Describe the difference between isotonic, hypotonic, and isotonic solutions – What would happen to a cell in each solution? What is the function of the following organelles: – Nucleus – Cell membrane – Mitochondria

4. Review What is an enzyme? Which macromolecule makes enzymes? What is the role of an enzyme? What is a substrate? What is an active site? What makes a solution acidic? Basic? What is the function of the nucleus? What is the function of the cell membrane? What are the steps of mitosis? What is diffusion? What’s the difference between active and passive transport?