Biology 7 3
Unit 4 cell transport
Chapter 7
Quiz 1
Types of Transport Across Cell Membranes 1. Passive Transport ▪ Does not require energy ▪ Substances move from high to low ▪ Solutes move down the concentration.
Cell Membrane Also known as the Plasma Membrane Surrounds the cell.
The Plasma Membrane and Homeostasis 2 Functions of Plasma Membrane Protective barrier Regulate transport in & out of cell (selectively permeable) Allow.
Daily Warm up 9/17/10 1.What two things must happen for diffusion to occur? 2.Define these three words: Isotonic solution, Hypotonic, Hypertonic. (where.
Chapter 4 Cell Membranes. Chapter 4 2 Cell Membrane Functions 1.Selectively choose what’s inside or outside the cell…creating a concentration gradient.
Unit 3 - Cells Chapter 7 Cell Structure & Function.
The Plasma Membrane and Homeostasis FLUID MOSAIC MODEL.
Cell Membranes are Selectively Permeable. What can pass? Water and other smaller molecules Water and other smaller molecules Gases like oxygen, carbon.
