Cell Transport and Permeability Lab

What is used to test for glucose?

Benedict's solution

What is used to test for NaCl?

Silver Nitrate

What is used to test for starch?

Lugol's Iodine

What does a positive glucose test indicate?

green, yellow, or rusty color; precipitate forms

What does a positive NaCl test indicate?

white precipitate or cloudiness appears

What does a positive starch test indicate?

appearance of a black color

Isotonic

same concentration of solute both inside and outside the cell

Hypertonic

concentration of solute is greater outside the cell than inside the cell; shriveled up appearance

Hypotonic

concentration of solute is greater inside the cell than outside the cell; swelled up appearance