"STEM kits"

Indole Reagent
Indole Reagent for the Indole reaction of Enterobacteria. 30 ml bottle.

Oxidase Test Strips
Test Strips to detect production of cytochrome oxidase in microorganisms. Package of 50 strips.

Dramatic Results Mimic Effects of Sun on Living Tissue

Discover How Muscles Contract

Pre-mixed, and ready to use, this master mix contains DNA polymerase, dNTPs, MgCl₂, and reaction buffers at optimal concentrations for the amplification of DNA via PCR. Its special formulation allows for direct loading of PCR samples into agarose gels as well as tracking the migration during electrophoresis without the need for loading dyes. Simply add template, primers, and nuclease-free water, available separately. Mater Mix reduces risk of contamination. Includes enough for 100 reactions. Note: Can be stored at 4 °C for up to six weeks, or −20 °C for longer.

First test step in Identifying Pathogenic Staphylococcus.

Teach your students about the complete metamorphosis of an insect with these mealworms.