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.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !