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When solving a protein structure using x-ray crystallography, the crystallographer generates a 3-d grid called an electron density map based on the observed diffraction pattern. the higher the resolution, the more detailed the electron density map and therefore the easier it is to identify what atoms (and therefore what amino acids) are in a given position. based on the three choices below, in which of the following groups could the two of amino acids be the easiest to differentiate regardless of resolution?
i. leucine vs. isoleucine ii. phenylalanine vs. alanine iii. glutamate vs. glutamic acid
a
option a: those in both groups i and iii could be differentiated.
b
option b: only those in group ii could be differentiated.
c
option c: only those in group iii could be differentiated.
d
option d: those in both groups i and ii could be differentiated.
e
option e: only those in group i could be differentiated.
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When solving a protein structure using x-ray crystallography, the crystallographer generates a 3-d g...
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