".2mL+PCR+tubes"

Refill fits all 0.9 mm mechanical pencils.

Ascomycete. Wine yeast: Used in fermentation activities. Incubation temperature 30°C. Sabouraud dextrose agar growth medium.

What Is Density?!

This skills-building lab introduces fluorescence and its applications in biotechnology.

Get all your specimen collection devices in one place

Meets AP Science Practices 1, 4, 5, and 6

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

Discover How Muscles Contract

Quickly and easily tests soil samples measuring levels of pH, nitrogen, phosphorus, and potash.

This is an epoxy cement kit.

Convenient Reversible Top.

Hold two burettes at adjustable angles.

An Inexpensive Demonstration of Respiration.

Quick and easy way to show emission with cloud chambers.

Fast Enough for DNA Research, But Inexpensive Enough for Any Lab.

Dualism of waves and particles.