AP BIOLOGY Daily Agenda: 2.8 Mechanisms of Transport & Osmosis Lab

Explain Describe the processes that allow ions and other molecules to move across membranes.

Tasks:


1	Revisit Membrane Permeability Crash Course Biology - Let's watch a video to review topic 2.5 Membrane Transport.
2	Mechanisms of Transport From AP Biology CED: "Metabolic energy (such as that from ATP) is required for active transport of molecules and ions across the membrane and to establish and maintain electrochemical gradients." Use the large paper and post-it notes to classify the movement of materials with the membrane and membrane proteins as listed on the sheet.
3	Chart It Out: Bulk Transport What are the different means to bulk transport material? You are to compare the different bulk transport methods: exocytosis endocytosis phagocytosis pinocytosis receptor-mediated endocytosis
4	Lab: Osmosis Continued Complete the different parts of the osmosis lab: Part A Be sure both charts have been completed Note: (14.) Ratioanale will be in the CER in part D Construct the graph Part B Be sure to complete the table with the % change calculations Part C Calculate the water potential of the carrot Part D CER - Where the claim is to be your explanations for the unknown molar concentrations A→F (part A) and Mystery? (part b). From the instructions. Guiding Question: What question were you trying to answer in the experiment? Our Claim: What is your conclusion? Our Evidence: What data or information did you gather to lead you to the claim? Our Justification or Reasoning: What ideas or principles from class supports your claims? Does the evidence seem reasonable with what you know?