Question 3 Depolarization occurs because
Multiple choice question.

A)
more K+ diffuse into the cell than Na+ diffuse out of it.

B)
both Na+ and K+ diffuse into the cell.

C)
more Na+ diffuse into the cell than K+ diffuse out of it.

D)
more Na+ diffuse out of the cell than K+ diffuse into it.

E)
more K+ diffuse out of the cell than Na+ diffuse into it.

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

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

What is the relationship between absorbance of light and the rate of photosynthesis?