Which of the following statement(s) is/are true concerning the cell plasma membrane?
A. The plasma membrane is composed of amphipathic molecules
B. The hydrophobic core of the lipid bilayer of the cell membrane contains specialized transport proteins which maintain the intracellular ionic milieu different from the extracellular fluid
C. Plasma membrane proteins extend externally and bear phospholipid moieties which contribute to the cell coat
D. The membrane proteins of nerve cells are highly voltage-dependent
Answer:A
Which of the following statement(s) is/are true concerning the cell plasma membrane?
A. The plasma membrane is composed of amphipathic molecules B. The hydrophobic core of the lipid bilayer of the cell membrane contains specialized transport proteins which maintain the intracellular ionic milieu different from the extracellular fluid C. Plasma membrane proteins extend externally and bear phospholipid moieties which contribute to the cell coat D. The membrane proteins of nerve cells are highly voltage-dependent