H.W. Diffusion and Osmosis Review: Watch the animations and then answer the questions in complete sentences
1. Observe the animation at the link below:
a. After watching the animation draw two
illustrations: (1) the sugar molecules seen at time zero and (2) at the end of
the animation.
b. Define diffusion
c. Use the term, “diffusion” in a sentence
to describe an everyday occurrence of diffusion.
2. Observe the animation at the link below:
a. After watching the animation, draw how
facilitated diffusion works.
b. Define Facilitated diffusion.
c. Why can’t substances that pass through
membrane proteins travel through the lipid bi-layer?
3. Observe the
animation at the link below:
a. After watching the animation, draw two
illustrations: (1) the beaker seen at time zero (the beginning) and (2) the
beaker at the end of the animation.
b. Define Osmosis.
4. Use the
following animation at the link below and page 211 of your textbook to help you
with the rest of the questions:
a. Define isotonic
b. Draw an animal cell (blood cell) placed in an isotonic solution. Use arrows to indicate the net / overall direction of water flow.
b. Draw an animal cell (blood cell) placed in an isotonic solution. Use arrows to indicate the net / overall direction of water flow.
c. Draw a plant cell placed in an isotonic
solution. Use arrows to indicate the net / overall direction of water flow.
d. Define Hypertonic
d. Define Hypertonic
e. Draw an animal cell (blood cell) placed in
a hypertonic solution. Use arrows to indicate the net / overall direction of
water flow.
f. Draw a plant cell placed in a hypertonic
solution. Use arrows to indicate the net / overall direction of water flow.
g. Define hypotonic
g. Define hypotonic
h. Draw an animal cell (blood cell) placed in
a hypotonic solution. Use arrows to indicate the net / overall direction of
water flow.
i. Draw a plant cell placed in a hypotonic
solution. Use arrows to indicate the net / overall direction of water flow.
