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 molecules into the cell against the concentration gradient?

passive transport by osmosis
active transport by proteins
passive transport by diffusion
active transport by endocytosis

Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results

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