How do the enzymes in washing powders work? Slideshow Play

How enzymes function Animation Play

How enzymes function Animation Play

How homeostatic mechanisms work – blood calcium levels Student activity Play

How planets reflect light Student activity Play

How plants obtain the substances necessary for life Slideshow Play

Important molecules Slideshow Play

Induced mutation – a way of increasing crop yield Student activity Play

Industrial production of enzymes Animation Play

Industrial uses of bacteria Class activity Play

Industrial uses of bacteria Whiteboard presentation Play

Industrial uses of enzymes Class activity Play

Industrial uses of enzymes Whiteboard presentation Play

Industrial uses of enzymes Illustration Play

Influence of some factors on the rate of photosynthesis Student activity Play

Inheritance Whiteboard presentation Play

Leaf structure Slideshow Play

Leaf structure and functions Slideshow Play

Leaves and their structure Whiteboard exercise Play

Leaves and their structure Student activity Play

Levels of cell organization in the organism Slideshow Play

Life processes in plants Student activity Play

Limiting factor Animation Play

Liver and pancreas Animation Play

Louis Pasteur's experiment Student activity Play