Choose all that apply. A concentration gradient is exhibited when

A. during rest, muscle and liver cells contain high glycogen concentration and blood contains lower concentrations.
B. the room temperature is 34 degree Celsius and the outside air is 34 degrees Celsius.
C. the pCO2 changes from 45 to 35 mmHg  in the alveoli of lungs.
D. intracellular fluid has 5% solute and extracellular fluid has 0.8% solute concentration.


Answer: D

Biology & Microbiology

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Fill in the blank(s) with the appropriate word(s).

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