Enough estrogen is dissolved into a solution containing the estrogen receptor that the total concentration of estrogen is 6 nM. The value of LaTeX: K_D K D for the interaction between estrogen and its receptor is 3 nM. What fraction of the protein is bound to estrogen? Assume that the concentration of estrogen is much greater than that of the protein. Answer as a percent.

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

The image below shows a weather service map. which details best describe this map? check all that apply

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users