Multiple Choice
Why are lipids and proteins free to move laterally in membranes?
A) The interior of the membrane is filled with liquid water.
B) Lipids and proteins repulse each other in the membrane.
C) Hydrophilic portions of the lipids are in the interior of the membrane.
D) There are only weak hydrophobic interactions in the interior of the membrane.
E) Molecules such as cellulose can pull them in various directions.
Correct Answer:
Verified
Correct Answer:
Verified
Q60: Nitrous oxide gas molecules diffusing across a
Q61: When biological membranes are frozen and then
Q62: In what way do the membranes of
Q63: For the following questions, match the labeled
Q64: Cystic fibrosis is a genetic disease in
Q66: Cystic fibrosis is a genetic disease in
Q67: Which of the following statements is correct
Q68: Celery stalks that are immersed in fresh
Q69: Proton pumps are used in various ways
Q70: Glucose diffuses slowly through artificial phospholipid bilayers.