Cell membranes are said to be selectively permeable because they
A) allow the free passage of some materials and restrict the passage of
B) others.
C) allow the passage of materials in one direction but not the other.
D) permit the passage of most materials but not of water.
E) Cell membranes are NOT normally selectively permeable.
Correct Answer:
Verified
Q2: Which of the following would occur if
Q4: Secretory vesicles pinch off from
A) the Golgi
Q7: Substances outside the cell membrane are called
A)
Q9: Concerning the nucleus:
A)It is surrounded by two
Q9: Moveable projections from the surface of cells
Q11: Cell shrinkage is also called
A) crenation.
B) lysis.
C)
Q12: Which of the following organelles are incorrectly
Q13: _ are a component of the cytoskeleton
Q15: Which of these structures are NOT correctly
Q18: A cell examined under the microscope shows
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