Gefitinib and Erlotinib are two drugs that effectively inhibit cell proliferation driven by oncogenic HER alleles, but unlike Cetuximab or Herceptin, they paradoxically increase the levels of these receptors on the plasma membrane. What is the mechanism of action for Gefitinib and Erlotinib

answer: "circumcision is a common procedure in which the skin covering the tip of the penis is surgically removed."

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

answer; incomplete dominance;

answerlength of time the medication is in contact with the skin(moistur level of the skin) depth of respirations blood supply to the area; all of the above; ///