Which of the following CANNOT diffuse through the plasma membrane?
A) lipid-soluble molecules
B) water
C) proteins
D) water-soluble ions
C
Explanation:
A) Lipid-soluble molecules can diffuse through the membrane.
B) Water can diffuse through the membrane.
D) Small water-soluble ions can diffuse through the membrane.
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Substances that readily dissolve in water and do not readily dissolve in lipids are
A) hydrophilic and lipophilic. B) hydrophilic and lipophobic. C) hydrophobic and lipophilic. D) hydrophobic and lipophobic.
In a healthy kidney, very little __________ is filtered by the glomerulus.
A. amino acids B. electrolytes C. glucose D. vitamins E. protein
Which is the spectrum of visible light, from least energy to highest energy?
A) orange-red-blue-yellow-green-indigo-violet B) blue-indigo-green-violet-orange-yellow-red C) violet-red-blue-indigo-yellow-green-orange D) red-orange-yellow-green-blue-indigo-violet E) indigo-yellow-orange-blue-violet-green-red
Arterial walls contain a thick layer of smooth muscle and an abundance of collagen and elastin fibers
Indicate whether the statement is true or false