Internal fertilization Animation Play

Invention of the voltaic cell Animation Play

Isolation of DNA from other cell structures Animation Play

Junction between an antigen and a helper T cell Whiteboard exercise Play

Karyotype Student activity Play

Karyotype; sex chromosomes and sex determination Slideshow Play

Leucocytes – always ready to fight Student activity Play

Levels of cell organization in the organism Slideshow Play

Life processes in plants Student activity Play

Light microscopy – magnifying the object Whiteboard exercise Play

Light microscopy – magnifying the object Student activity Play

Lipids – the energy source of the cell Whiteboard exercise Play

Lipids – the energy source of the cell Student activity Play

Macroelements Student activity Play

Macroelements in the cell Slideshow Play

Major sources of energy Slideshow Play

Male gonads Whiteboard exercise Play

Male gonads Student activity Play

Males and females Student activity Play

Measure of electromotive force Simulation Play

Measurements Simulation Play

Measurements Student activity Play

Measuring the voltage of a cell Simulation Play

Medical applications of genetic engineering Whiteboard presentation Play

Medical applications of genetic engineering Class activity Play