Question
Normal homeostatic conditions require potassium concentrations to be about 1000 times higher inside the cell than in the blood.
What mechanism does a cell use to move these small potassium ions into the cell against the concentration gradient?
A.
active transport by proteins
B.
active transport by endocytosis
C.
passive transport by osmosis
D.
passive transport by diffusion
What mechanism does a cell use to move these small potassium ions into the cell against the concentration gradient?
A.
active transport by proteins
B.
active transport by endocytosis
C.
passive transport by osmosis
D.
passive transport by diffusion
Answers
GPT 3.5
A. active transport by proteins