1 triplet = 1 amino acid Illustration Play

A 40-year-old man Illustration Play

A chytrid – Allomyces Illustration Play

A continuous process Illustration Play

A cross-section of a cap fungus Illustration Play

A cross-section of the Moon Illustration Play

A desert food web Illustration Play

A diagram of a nuclear power station Illustration Play

A diagram of the formation of carbon-14 and its cycle in the atmosphere Illustration Play

A diagram of the glucose conversions in the liver Illustration Play

A filamentous green alga – Spirogyra Illustration Play

A fragment of a lamella Illustration Play

A kangaroo and opossum Illustration Play

A liverwort Illustration Play

A mass spectrometer Illustration Play

A model of a morphine molecule Illustration Play

A model of the distorted space around the Sun Illustration Play

A planetary nebula NGC 6543 Illustration Play

A plant viroid Illustration Play

A simple electric motor Illustration Play

A sponge Illustration Play

A typical heating curve for a pure substance Illustration Play

A woodland tree food web Illustration Play

Absorption spectrum of Co(II) ions Illustration Play

Absorption spectrum of Ti(III) ions Illustration Play

Acetylcholine structure Illustration Play

Acidic foods Illustration Play

Actinium series Illustration Play

Actions of antibiotics and chemotherapeutics Illustration Play

Active site of enzyme Illustration Play