US$ 19.99
this plant cell model shows organelle ultrastructure and cell-wall layering for upper-level cell biology teaching
Built for classroom anatomy teaching
this enhanced optical bench set ships with a lamp housing and a matched complement of optical components
and ice-pail induction
Twelve-position rotary capacitance substitution box selecting one capacitor at a time
Light-Dependent Resistor (LDR) Unit Pack Size_12 this plant cell model showsUsed to introduce photoconductivity and light controlled circuits, this LDR drops resistance dramatically when light strikes the cell, contrasting with the dark state high resistance reading.
US$ 19.99
US$ 26.99
US$ 29.99
US$ 11.99
US$ 11.99
US$ 101.21