Cell Membrane Quiz_do - From null <Saved by Internet...

Started:
Submitted:
Score:
Points:
Points: 10 out of 10
Points: 10 out of 10
Points: 10 out of 10
From: null <Saved by Internet Explorer 11>
Date: Wed, 16 Sep 2015 09 54 30 -0500
To:
CC:
Subject:Cell Membrane Quiz
Cell Membrane Quiz
Attempt 1 of 2
09/06/2015 11:13 AM EDT
09/06/2015 11:23 AM EDT
100%
80 out of 80
Question 1
A set of erythrocytes is placed in a beaker of 0.9% NaCl. Nothing appears to
happen to the cells. Why?
A. 0.9% NaCl is hypertonic to the cells.
B. 0.9% NaCl is iostonic to the cells.
C. 0.9% NaCl is hypotonic to the cells.
D. water has not moved at all.
E. Sodium blocks the movement of water.
Feedback
Correct. In fact, 0.9% NaCl is the standard isotonic saline in IV solutions.
Question 2
What is the role of carbohydrates in the plasma membrane?