Which of the following statements is TRUE?
A. Water freely moves across cell membranes.
B. Water and electrolytes move across the cell membranes only through protein channels.
C. Electrolytes freely move across cell membranes.
D. Water and electrolytes cannot move across cell membranes.
Answer:A
Which of the following statements is TRUE?
A. Water freely moves across cell membranes. B. Water and electrolytes move across the cell membranes only through protein channels. C. Electrolytes freely move across cell membranes. D. Water and electrolytes cannot move across cell membranes.