Warm Up-AP Bio Monday, September 18 Homework Due Today: * Please turn in Chapter 9 into the front bin Summarize how you were able to determine the concentration of each unknown solution in last week’s lab. What type of graph are you going to create for your lab report? Homework: *Osmosis/Diffusion Lab Write-Up due Friday (9/22) * Cell Organelle, Osmosis/Diffusion Quiz Friday (9/22) * Finish Membrane Diffusion Lab- due Tues (9/19)

Warm Up- AP Bio Monday, September 18- Reflection No Reflection Homework: *Osmosis/Diffusion Lab Write-Up due Friday (9/22) * Cell Organelle, Osmosis/Diffusion Quiz Friday (9/22) * Finish Membrane Diffusion Lab- due Tues (9/19)

Warm Up- -AP Bio Tuesday, September 19 1. A cell is in equilibrium with its surrounding at 30°C. The molarity of the surrounding sucrose solution is 0.5M. a. Calculate the solute potential of the surrounding solution. b. What is the water potential of the surrounding solution? 2. A hypertonic environment has a high/low (circle one) water potential compared to the cell. Why? Homework Due Today: * No Homework due today Homework: *Osmosis/Diffusion Lab Write-Up due Friday (9/22) * Cell Organelle, Osmosis/Diffusion Quiz Friday (9/22)

Warm Up- AP Bio Tuesday, September 19- Reflection 1. If a cell’s pressure potential is 3 bars and its solute potential is -4.5 bars, what is the resulting water potential? 2. The cell from question #1 is placed in a beaker of sugar water with solute potential of -4.0 bars. In which direction will the net flow of water be? Homework: *Osmosis/Diffusion Lab Write-Up due Friday (9/22) * Cell Organelle, Osmosis/Diffusion Quiz Friday (9/22)

Warm Up - AP Bio Wednesday, September 20 Homework Due Today: * No Homework due today Explain the endosymbiont theory (aka: endosymbiotic theory) of the origin of eukaryotic cells. *hint* Look at your cell organelle notes Homework: * Ch. 6 and 7 quiz Friday (9/22) * Diffusion Lab Write-Up due Friday (9/22)

Warm Up- AP Bio Wednesday, September 20- Reflection No Reflection Homework: * Chapter 6 and 7 Quiz Friday (9/22) * Diffusion Lab Write-Up due Friday (9/22)

Warm Up- AP Bio Friday, September 22 Homework Due Today: *Please turn in your Osmosis/Diffusion Lab Report * Chapter 6 and 7 Quiz today! A Human cell contains the equivalent of 0.15 M NaCl. When humans are dehydrated, they are given an IV of saline. Explain what is happening to the flow of water and the cell if a dehydrated person is given saline solution. Please turn in your warm-ups into the front bin. Homework: * Study Guide due Monday (9/25)

Warm Up- AP Bio Friday, September 22-Reflection No Reflection Homework: * Study Guide due Monday (9/25)