Slide 12.4.4: Define diffusion and osmosis Diffusion: The passive movement of particles from a region of high concentration to a region of low concentration until equilibrium…

Slide 1Cell Boundaries and Movement Slide 2 Cell Barriers Cell membranes – Structure: contain a flexible lipid bilayer with imbedded protein molecules and carbohydrate…

Slide 1Cell membranes and exchange of material HBS 3A Slide 2 Exchange of material Occurs at the cell membrane Involves the intake of essential materials eg nutrients and…

Slide 1Muscle Contraction Slide 2 1. The brain sends an electrical message down a motor neuron. Slide 3 2. The neuron branches into axons and the electrical message reaches…

Slide 1Functional Anatomy of Prokaryotic and Eukaryotic Cells Lecture 2 Slide 2 Scale of Microbes Slide 3 Comparing Prokaryotic and Eukaryotic Cells Common features: …

Slide 1 Slide 2 9.2 Transport in Angiospermophytes Slide 3 9.2.1 Outline how the root system provides a large surface area for mineral ion and water uptake by means of branching…

Slide 1B4 a-d Pig (F) Slide 2  Name the pores in the bottom of a leaf Slide 3  Stomata Slide 4  What is the job of air spaces? Slide 5  Allow gases to diffuse…

Slide 1Intravenous Therapy Module Fluid and Electrolyte Balance Slide 2 Body Fluids  Comprise 45-77% of the body’s weight  Vary depending on  Age  Lean body…

Slide 1Typical Prokaryotic Cell Slide 2 Prokaryotic Cell Structures Slide 3 Functions of Cell Membrane  1. Selective barrier (selectively permeable)  2. Secretes exoenzymes…

Slide 1 Membrane Transport Slide 2 3 Types of transport Slide 3 Passive Transport Simple diffusion –Small non-polar molecules No ions –Examples: Fatty acids Steroids…