Which of the following statements about the sodium-potassium pump is false?
a. Most cells of the body have sodium-potassium pumps
b. The sodium-potassium pump moves sodium ions from inside the cell to outside, while importing potassium ions from the extracellular fluid.
c. The sodium-potassium pump is a form of gated passive transporter.
d. The transporter changes shape in response to binding of its target molecules.
c
You might also like to view...
The offspring produced via asexual reproduction are genetically ________ to the parents.
A. identical B. indifferent C. parsimonious D. unique
Which immunoglobulin class/es can fix complement?
A. IgG only B. IgE and IgA C. IgD only D. IgM and IgG E. IgM only
Binding of IgE to the surface of sensitized cells leads to (activation/degranulation/lysis) of the cell, releasing many inflammatory chemicals.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a natural pain reliever?
A) Acetylcholine B) Dopamine C) Endorphins D) Substance P E) Epinephrine