A clone – an identical copy Student activity Play

A clone – an identical copy Whiteboard exercise Play

About cells Student activity Play

Acid dissociation constant and pH (1) Student activity Play

Action of antibiotics on bacteria Slideshow Play

Aerobic bacteria Illustration Play

Air and the atmosphere Student activity Play

Alternatives to antibiotics Slideshow Play

Alternatives to antibiotics – everyone has their own enemy Student activity Play

Animal-like and plant-like protists Student activity Play

Animal-like protistans – Protozoa Slideshow Play

Animals: invertebrates Illustration Play

Animals: invertebrates Student activity Play

Antibiotics Slideshow Play

Antibiotics and chemotherapeutics – action and classification Student activity Play

Antibiotics in the living world Student activity Play

Antibiotics secreted by microorganisms in animals Animation Play

Antiperistalsis Slideshow Play

Antiseptic activities Slideshow Play

Applications of logarithms Animation Play

Asexual reproduction Student activity Play

Asexual reproduction in bacteria Animation Play

Asexual reproduction in organisms Slideshow Play

Autoclaves Student activity Play

Autotrophic nutrition and photosynthesis Whiteboard presentation Play