Enzymes and washing powders Animation Play

Enzymes are essential to life Slideshow Play

Enzymes are proteins Student activity Play

Enzymes are specific and selective (2) Student activity Play

Enzymes in a test-tube Student activity Play

Enzymes in a test-tube Whiteboard exercise Play

Enzymes in the digestive system Simulation Play

Enzymes in washing powders Animation Play

Enzymes – biological catalysts Whiteboard presentation Play

Enzymes – biological catalysts Class activity Play

Enzymes – chemical regulators of reactions Simulation Play

Enzymes – chemical regulators of reactions Student activity Play

Enzymes – indicators of disorders Student activity Play

Establishing systematics – the work has only just begun Student activity Play

Extracellular and intracellular spaces in the human organism Whiteboard exercise Play

Factors affecting the rate of enzyme-catalysed reactions Student activity Play

Features of an ovum cell Whiteboard exercise Play

Female gonads Whiteboard exercise Play

Female sex hormones Slideshow Play

Flagellated parasites Student activity Play

Food and drugs Whiteboard presentation Play

Food and drugs Class activity Play

Food in human life Slideshow Play

Food spoilage and its prevention Slideshow Play

Food webs Student activity Play