A student wants to use western blotting to confirm the presence of human Sonic hedgehog (Shh) in samples run on SDS-PAGE and transfered to a nitrocellulose membrane. The antibody reagent box in their lab contains Mouse anti-Shh MAb and Chicken anti-mouse IgG-HRP. What substrate will they need in order to perform colorimetric detection of Shh on their western blot

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.