Multiple Choice
High-quality protein crystals used in x-ray crystallography ____________.
I. can be as small as 0.1 mm
II. should have few impurities
III. cannot have cracks
IV. can be needle-shaped
V. can be oil-like
A) I and II
B) I, II and III
C) I, III, and IV
D) II, III and V
E) III, IV, and V
Correct Answer:

Verified
Correct Answer:
Verified
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