Antibiotics in the living world Student activity Play

Antibiotics secreted by microorganisms in animals Animation Play

Antiperistalsis Slideshow Play

Antiseptic activities Slideshow Play

Applications Student activity Play

Applications of exponential inequalities Whiteboard exercise Play

Applications of linear models Student activity Play

Applications of logarithms Animation Play

Asexual reproduction Student activity 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

Autotrophic nutrition and photosynthesis Class activity Play

Autotrophs and heterotrophs Animation Play

Autotrophs and heterotrophs Student activity Play

Avery's team experiment Simulation Play

Bacteria Student activity Play

Bacteria and the energy sources Whiteboard exercise Play

Bacterial cell walls and Gram-staining Illustration Play

Bacterial count Whiteboard exercise Play

Bacterial culture on a solid medium Animation Play

Bacterial deseases Class activity Play

Bacterial deseases Whiteboard presentation Play