Cytochrome c oxidase (complex iv) contains myriad prosthetic groups and carries out two important functions. which of the following statements is true of this enzyme? choose the correct answer from the following choices, and then select the submit answer button.
a. some prosthetic groups are temporarily linked by a peroxide bridge.
b. complex iv pumps eight protons across the inner mitochondrial membrane for every four cytochrome c molecules that are oxidized.
c. complex iv releases two h2o molecules for every four cytochrome c molecules that are oxidized.
d. all of the above both the first and third answers are true.

Dying the folding patterns of protein molecules can microbiologists better understand cellular processes as well as some diseases, such as alzheimer’s, that are caused by proteins that have misfolded. the folding of these complicated molecules can be simulated on computers, but it takes a lot of processor power and time for even expensive supercomputers to do this. a group of researchers at stanford university developed software that can be used to distribute the processing of data to anyone who is willing to donate time on their idle personal computers. as a result, the researchers have been able to achieve protein-folding simulations that are far better than those other computing methods have done. which statement best describes the work of these researchers? the work is not scientific because the data are not processed in one location. the work is not scientific because the simulations are not reproducible. the researchers applied creativity to solve a problem in running an experiment. the researchers used only well-established scientific techniques.

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?