Diffusion Process Quiz

• The movement of substances from higher to lower concentration (correct)
• The movement of substances within the same concentration
• The movement of substances from lower to higher concentration
• The movement of substances independent of concentration

• Concentration gradient, size of the molecules, color of the substance, and shape of the container
• Concentration gradient, permeability of membrane, temperature, and pressure (correct)
• Concentration gradient, solubility of the substance, pressure, and size of the molecules
• Concentration gradient, presence of catalysts, color of the substance, and temperature

• About 50 micrometers in about 2.5 seconds (correct)
• About 75 micrometers in about 3 seconds
• About 25 micrometers in about 5 seconds
• About 100 micrometers in about 1 second