Multiple Choice
Diffusion of a substance across the cell membrane is influenced by all of the following except
A) hydrolysis of ATP.
B) the presence of the membrane channels.
C) the charge on the ion.
D) concentration gradient.
E) lipid solubility.
Correct Answer:

Verified
Correct Answer:
Verified
Q7: The plasma membrane includes<br>A)integral proteins.<br>B)glycolipids.<br>C)phospholipids.<br>D)cholesterol.<br>E)All of the
Q9: Molecular motors that carry materials in opposite
Q11: The endoplasmic reticulum is responsible for<br>A)drug and
Q13: Generally,cells with a very brief interphase and
Q14: Define osmosis.
Q15: Red blood cell shrinkage is to _
Q26: Thymine is replaced by which nitrogen base
Q92: A solution that contains a lower osmotic
Q136: Which of following properties of microtubules is
Q171: The functional units of DNA that contain