Amino acid with additional carboxyl and amino groups in a side chain Animation Play

Amino acids with non-ionisable groups in a side chain Animation Play

Amorphous solids Student activity Play

An advertisement Student activity Play

An ammonium salt with a hydrophobic aliphatic chain Slideshow Play

Animal-derived foods Slideshow Play

Antiperistalsis Slideshow Play

Application of inhibitors Animation Play

Applying the chain rule Student activity Play

Applying the chain rule Whiteboard exercise Play

Applying the chain rule for more than two functions Whiteboard exercise Play

Applying the chain rule for more than two functions Whiteboard exercise Play

Applying the chain rule for more than two functions Whiteboard exercise Play

Assimilation of food Student activity Play

Atherosclerosis – the underlying cause of most cardiovascular diseases Student activity Play

Avalanche reaction Animation Play

Average Animation Play

Binding energy per nucleon Illustration Play

Biochemical processes Slideshow Play

Biocoenoses – as a set of interactions Student activity Play

Biogeochemical cycle in the food chain Slideshow Play

Biological contamination in industrial-scale food production Slideshow Play

Biomass Student activity Play

Biotic components of an ecosystem Slideshow Play

Blood-feeding mammals Animation Play