Suppose you were screening produce in a grocery store for the presence of e. coli contamination. would it be better to use a polyclonal anti-e. coli antiserum or a mab against an e. coli membrane protein? explain.

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next