The ________________________ Method Is Used to Solve the _______________ in X-Ray

Multiple Choice

The ________________________ method is used to solve the _______________ in x-ray crystallography by comparing diffraction data before and after soaking the protein crystal in solutions made with heavy atoms, such as mercury, gold, or iodine.

A) multiple string replacement; phase problem
B) multiple isoelectric focusing; phase problem
C) multiple isomorphous replacement; phase solution
D) multiple isomorphous replacement; phase problem
E) none of the above