The tumor DNA sample of valerie have fewer bands than the peripheral blood because her tumor profile signifies a digest where equally alleles are mutated bring about in a pattern which is a subset of that got from the peripheral blood and her blood is heterozygous for the mutation but the tumor has a homozygous mutant genotype.
Foreign invaders have proteins called antigen, which antibodies lock onto to neutralize. The foreign proteins are different from proteins in our own body, so the immune system can recognize them and finally eliminate them.
It’s very confusing sorry for that
Answer:
The Moon completes a circle around the Earth in approximately 28 days.
