Slide 1Biology 2013 Slide 2 Slide 3 Experiment – when an idea is tested. Independent Variable – measured (time or temp.) Dependent variable – manipulated variable.…

Slide 17-3 Movement through the Membrane A. The cell membrane is semipermeable - only certain molecules can get through B. Passive transport: no energy required 1. Diffusion:…

Slide 1 Bell work Sandworms are annelid worms that live on the seafloor. They absorb oxygen and excrete wastes through their skin. Which characteristic will best help the…

Slide 1 The Cell Membrane and Transport Slide 2 A fluid mosaic with a double layer of phospholipids with embedded proteins. Jobs: Regulates exchange Creates a barrier Communication…

Slide 1 1. How many factors are involved in transporting the goods shown from the manufacturer to a store? 2. What might happen if one of the factors is temporarily unable…

Ch 5 Homeostasis and cell transport Ch 5 Homeostasis and cell transport How do cells get the things they need? How do they get rid of their wastes? How do cells transport…

PowerPoint Presentation Exchange with the Environment 4-1 Every cell has a cell membrane! ~ protects ~ helps move things in and out of cell ~ cell memb. controls this by…

CO 5 CO 5 The Cell Membrane and Transport CO 5 The Plasma Membrane -  S.J. Singer proposed the Fluid Mosaic Model to describe the cell membrane The membrane is semipermeable…

Homeostasis & Transport Chapter 7 Section 7.3 & 7.4 Two Main Types of Transport Passive Transport: Does not need energy Active Transport: Needs energy Like floating…

Diffusion (passive transport) Diffusion is the process by which molecules move from areas of high concentration to areas of low concentration Diffusion can cause many molecules…