The depolarization phase of an action potential results from the opening of which channels?

In familial hypercholesterolemia individuals homozygous for the allele causing the disorder completely lack receptors on liver cells that take up cholesterol from the blood stream. heterozygous have one-half the number of receptors while individuals homozygous for the normal allele are phenotypically normal. this is an example of a.epistasis b.complete dominance c. incomplete dominance d. codominance

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

What in scientific term why the salty popcorn causes this thirst