Multiple Choice
At each step of a protein purification scheme, purity should be ascertained by, for example,
I. SDS-PAGE gel electrophoresis
II. specific activity of antibodies
III. western blotting
IV. volume measurement
A) I only
B) IV only
C) I, II and III
D) II, III and IV
E) I, III and IV
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Which is NOT true of biotin-avidin interaction?<br>A)
Q4: Resins used in affinity chromatography commonly form
Q5: In size exclusion chromatography<br>I. molecules too large
Q6: Sepharose resin modified with a butyl or
Q7: Gradients allow a gradual change in buffer
Q9: A protein mixture is commonly applied to
Q10: As a successful purification scheme is carried
Q11: Longer size exclusion chromatography columns<br>A) may be
Q12: Once cells have been lysed, the next
Q13: With salting in<br>A) ammonium (NH4+) salts are