Which is true of genes? plz asap a) they are proteins that produce sections of dna which control the cells activities b) they are sections of dna that produce the proteins that control an organisms characteristics c) they are the same as traits which show up in an organism if they are dominant d) they are features that can be observed rather than measured

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood