Which of the following statements regarding the structure and function of cell membranes is correct?
A) The phospholipid bilayer is arranged so that the hydrophilic heads of the phospholipid molecule face the extra- and intracellular fluids
B) Some proteins integrated into the membrane serve as channels for the passage of nonpolar molecules through the membrane
C) Some proteins integrated into the membrane function as channels associated with transport of ions through the membrane
D) Both the phospholipid bilayer is arranged so that the hydrophilic heads of the phospholipid molecule face the extra- and intracellular fluids and some proteins integrated into the membrane function as channels associated with transport of ions through the membrane are correct
E) All of the choices are correct
Correct Answer:
Verified
Q2: Which of the following statements regarding the
Q3: The permeability of the plasma membrane to
Q4: Which of the following would decrease the
Q5: Mediated transport across cell membranes
A)Refers to the
Q6: Diffusion
A)Depends upon the random motion of molecules
B)Results
Q7: Which form of membrane transport is being
Q8: Ion channels in cell membranes
A)Are nonspecific
B)May open
Q9: The mediated transport of a substance across
Q10: Carrier-mediated transport
A)Involves a specific membrane protein that
Q11: When a solute,X,is placed in compartment A
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents