Which of these molecules is correctly matched with its method of movement through the plasma membrane?
A. Large, water-soluble molecules - transported by carrier-mediated processes
B. Small, water-soluble molecules (ions) - dissolve in double phospholipid layer
C. Lipid-soluble molecules - pass through membrane channels
D. Glucose and amino acid molecules - pass through membrane channels
E. All of the choices are correctly paired.
Answer: A
You might also like to view...
________, or pinkeye, results from damage to or irritation of the conjunctival surface
A) Fuch's dystrophy B) Conjunctivitis C) Glaucoma D) Myopia E) Uveitis
The longitudinal layer of smooth muscle in the large intestinal wall forms three bands called the ________.
A. coli longitudini B. rugae C. omental appendages D. teniae coli E. haustra
What structural features of the cerebellum are unique in comparison with those elsewhere in the brain?
What will be an ideal response?
A child born with the inability to develop either cell- or antibody-mediated immunity is diagnosed with
A) AIDS. B) SIDS. C) MS. D) IDDM. E) SCID.