Dialysis Tubing, 32mm Width, 10 Feet Base Size_6 x 9" Longitudinal dissection through this wheat

Longitudinal dissection through this wheat flower model exposes lemma

supplied for repeated use in osmosis and selective-transport demonstrations in biology and chemistry classes

focal-length determination

Metamorphic rocks containing different rock specimens supplied in carboard box

this demo motor on a molded ABS base operates at 6-8V to demonstrate visible-spectrum color mixing

Dialysis Tubing, 32mm Width, 10 Feet Base Size_6 x 9" Longitudinal dissection through this wheatUsed in osmosis and dialysis experiments, this roll of 12 14 kDa cutoff dialysis tubing lets students explore selective molecular transport across a semipermeable membrane.