X-ray crystallography is used to see the structure of molecules. scientists have used this technique to find the structure of cholesterol, an important biological molecule.
knowledge of the structure of cholesterol is because it may affect
a.) how cholesterol works in the body.
b.) the amount of cholesterol that is considered healthy.
c.) previous ideas about which foods contain cholesterol.
d.) previous explanations of how cholesterol works in the body.

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

What are transitions between a liquid and gas called? identify which way they are transitioning