Which of the following statements is true regarding ion channels?
A) Protein structure studies indicate a flexible pore size capable of transporting ions of varying size.
B) Ions require waters of hydration for sufficient passage through the entire channel.
C) Ion channels maintain sodium and potassium ion concentrations that are greater in the extracellular fluid than in the cytosol.
D) Channel rigidity minimizes energy states for appropriately sized ions.
E) None of the above is true regarding ion channels.
Correct Answer:
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Q1: Which of the following is an example
Q2: Matching
-KcsA is an example of a(n)_.
A) Porins
B)
Q3: Matching
-_ are bacterial proteins forming a
Q4: Which of the transporters listed below differs
Q5: Matching
-The Ca2+-ATPase requires ATP directly and is
Q7: Matching
-KcsA is an example of a _
Q8: Which of the following is (are)characteristic of
Q9: D-glucose is added to cells and the
Q10: Matching
-The GLUT1 transporter functions via _ transport.
A)
Q11: Which of the following is not an
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