ACTIVE TRANSPORT ACROSS THE PLASMA MEMBRANE
Students comprehend that energy is required to move substances across the cell membrane against the concentration gradient.
9th - 11th Science 3 Views 16 Downloads
Diffusion across a Selectively Permeable Membrane
Lab groups fill a section of dialysis tubing with glucose and starch solutions and suspend it in a water bath. They use iodine as a starch indicator and a glucose test strip to find out if either of the materials crossed the selectively...
7th - Higher Ed Science
Cell Exploration Activities
Engage young biologists in exploring the mysteries of life with this collection of hands-on activities. Enlisting the help of numerous digital resources, students get an up-close look at the structure of plant and animal cells as they...
7th - 12th Science CCSS: Adaptable
Cell Size and Shape; Diffusion and Osmosis Processes
Use salmon eggs as a cell model for demonstrating the movement of water over concentration gradients. Junior scientists examine the same process microscopically with an onion cell. They use a thistle tube and a semipermeable membrane to...
9th - 12th Science
Transport Across the Membrane
Take your biology class on an exploration of the inner workings of cells with this multimedia presentation. Looking closely at the structure of cell membranes and the processes of osmosis and diffusion, this resource explains for...
9th - Higher Ed Science CCSS: Adaptable