"Avantor"

Students research why one-third of Americans are lactose intolerant, but most other cultures have a much higher intolerance rate.

Designed for Introductory College Petrography Labs

Illustrates Lung Structures

This unmounted skull of the common North American Didelphis virginiana shows the extra teeth, which is a characteristic of marsupials.

Poecilia reticulata.

Heavily Stabilized Cell Walls

Ascomycete. Host for rDNA. Incubation temperature 30°C. Sabouraud dextrose/YM agar growth medium.

Eublepharis macularius.

Transports Oxygenated Blood from the Heart to the Body

Simplify Your Lessons With These Two Models.

Wingless Drosophila mutant. Unstained.

Hemolysis, the rupture of red blood cells, is induced by certain species of streptococcal bacteria that produce extracellular hemolysin.  Observe this phenomenon with this set of 3 non-pathogenic species

A clear and easy way to show students the steps of DNA fingerprinting by simulation, this kit with accompanying DVD guides students through the step by step process: from gel to Southern blot to radioactive probe to fingerprint using everyday UPC codes.

Angiospore Reproduction

Ectoparasite

Deformed pebbles in a metamorphased conglomerate. Large sawed and lacquered specimen.