Lesson: Crossing the Membrane

Warm Ups, etc:

Crossing the Membrane

Lecture Notes: #content

Notes - Membrane Transport (Cartoon Video)

Objectives and Vocabulary: #content

BIO.3 The student will investigate and understand relationships between cell structure and function. Key concepts include

d) the cell membrane model; and

e) the impact of surface area to volume ratio on cell division, material transport, and other life processes.

Fluid Mosaic Model

Phospholipid

Transport Protein

Cholesterol

Diffusion

Oxygen

Carbon dioxide

Salts

Sugars

Amino acids

Water

Facilitated diffusion

Osmosis

Semi-permeable membrane

Solute concentration

Active Transport

Surface Area to Volume Ratio

Activities, Assignments, Etc.

Introduction Demo - Food coloring in water. Place several drops in a still jar of cool water and observe what happens. Repeat in a jar of warm water. Discuss and relate to other experiences (like farting in a room...)

Closure Video - Paramecium with a Contractile Vacuole - water