Multiple Choice
A dialysis membrane is selectively permeable, and substances smaller than proteins are able to pass through. The dialysis machine allows blood to flow past one side of the dialysis membrane and the dialysis fluid flows on the other side of the membrane. If you wanted to use a dialysis machine to remove only urea (a small molecule) from blood, what could you use for the dialysis fluid?
A) a solution that is isotonic and contains only protein
B) a solution that is isotonic and contains the same concentration of substances as blood, except for having no urea in it
C) distilled water
D) whole blood
E) hypertonic salt water
Correct Answer:
Verified
Correct Answer:
Verified
Q7: A red blood cell placed in distilled
Q8: Endocytosis<br>A) involves the formation of a vesicle
Q9: Which of the following would occur if
Q10: Substances outside the cell membrane are called<br>A)
Q11: Membrane channels that limit the movement of
Q13: The type of membrane transport that uses
Q14: Carrier mediated transport mechanisms<br>A) exhibit specificity.<br>B) function
Q15: Which of these cells would most likely
Q16: In _, carrier molecules move a substance
Q17: Cell shrinkage is also called<br>A) crenation.<br>B) lysis.<br>C)