Multiple Choice
Within the fluid mosaic of a plasma membrane, what is the role of transport and channel proteins?
A) They identify the cell.
B) They may set off cellular changes such as cell division or hormone secretion.
C) They prevent the passage of amino acids.
D) They are cell- surface connection sites.
E) They permit ions and water molecules to move through the plasma membrane.
Correct Answer:

Verified
Correct Answer:
Verified
Q28: The antibiotic polymyxin B attaches itself to
Q46: Compare and contrast the intercellular junctions that
Q54: Why does the cell perform endocytosis in
Q78: The most common lipids in biological membranes
Q81: Imagine that you fill a shallow tray
Q82: More than half a century ago, two
Q83: Osmosis moves water from a region of<br>A)
Q84: Which of the following would NOT be
Q85: Which of the following accounts for the
Q96: After a dye diffuses uniformly throughout a