Landforms is a physical feature on earth's surface true or false

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

Cells destroy body cells infected by a virus or bacteria.

How can an organ, such as the lungs, work for multiple body systems?