Two different proteins x and y are dissolved in aqueous solution at 37 °c. the proteins bind in a 1: 1 ratio to form xy. a solution that is initially 1.00 mm in each protein is allowed to reach equilibrium. at equilibrium, 0.20 mm of free x and 0.20 mm of free y remain. what is kc for the reaction?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)