Biology: Age 16

3 illustrated Biology lessons for Age 16.

Blocked receptors at a nerve-muscle junction Curare blocks acetylcholine receptors on muscle fibres. The muscle fibres cannot contract, so the muscle stays…
Slime Mold Maze Run A yellow slime mold spreads through a tabletop maze. It withdraws from dead ends and thickens along the shorte…
Leaf and Snail Swap Gases Inside the sealed jar the leaf takes in carbon dioxide and water and, using sunlight, builds sugar while relea…