String Bean Modeling
Understanding Osmosis and Cellular Transport
Key:
string = cell membrane
dry beans = solute/bacteria/glucose/waste
blue dots = water molecules
orange rectangle = transporter protein (ion channel/carrier protein)
TSW must model the following situations. Keep in mind the beans and orange rectangle will represent different things depending on the situation.
q cell in a Hypotonic solution
q predict the direction(s) of water movement in a hypotonic solution
q cell in an Isotonic solution
q predict the direction(s) of water movement in a hypotonic solution
q cell in a hypertonic solution
q predict the direction(s) of water movement in a hypertonic solution
q demonstrate active transport of glucose through carrier protein into cell
q demonstrate facilitated diffusion of ions across membrane through ion channel
q model endocytosis of bacteria
q model exocytosis of waste
10 Points TOTAL
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