"VWR"

Museum mounts are the ideal supplement for classroom dissection.

Two strains of Escherichia coli (donor and host) with complementary sensitivities to Ampicillin and Streptomycin. Watch them trade traits via conjugation.

White and black bands of quartz, feldspar, and biotite; typical foliation.

Examine the Mineral Composition of Metamorphic Rocks.

Pegmatite is igneous rock similar to granite but with larger crystals.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

Set contains one male betta, a package of ceratophyllum, and an aquatic habitat.

White to gray, medium to coarse-grained, crystalline.

Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.

Identify and classify unknown rock samples.

Amphibole group; dark greenish black cleavages, somewhat columnar.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Breccia is a sedimentary rock made up of angular rock fragments.

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.