CAPE 1: CELL STRUCTURE & CELL MEMBRANE

Here are animations to help you grasp the concepts:

CLICK HERE FOR: cell anatomy

• pass mouse over cell organelles to view text on functions
• right click on the golgi apparatus and see how it works

CLICK HERE FOR: structure of the cell membrane

• click play

CLICK HERE FOR: water potential concept

• read text and play each animation

CLICK HERE FOR: calculating water potential 

• calculating water potential

CLICK HERE FOR: factors affecting water potential 

• factors affecting water potential 

CLICK HERE FOR: How diffusion works

• concept as you know it, look out for term concentration gradient 

CLICK HERE FOR: How osmosis works

• review the concept of osmosis as you know it with the introduction of of the term osmotic concentration

CLICK HERE FOR: Osmosis across cell membranes

• look out of key concepts such as: hypertonic, hypotonic, plasmolysis

CLICK HERE FOR: How Facilitated diffusion works

• introduction of term protein carrier

CLICK HERE FOR: sodium-potassium pump exchange

• note the role of ATP in the process
• note the role of the carrier proteins
• not the ratio and movement of sodium and potassium ions
• note change in conformation of carrier proteins

CLICK HERE FOR: How the sodium-potassium pump works

• cement concept learnt in previous video

P.S. WORK ON THE MCQ QUIZ BELOW EACH VIDEO