Examlex
Which of the following would be an appropriate alternative hypothesis?
Potassium Ions
Positively charged ions of potassium, vital for cellular functions, particularly in nerve impulse transmission and muscle contraction.
Active Transport
The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy in the form of ATP.
Distal Convoluted Tubule
A portion of the nephron in the kidney where salt and water balance are regulated, and certain substances are reabsorbed into the blood.
Glucose
A basic form of sugar that serves as a crucial source of energy in living beings and forms a part of various carbohydrates.
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