A vector with a Ptac promoter is placed into BL21 cells. Which is TRUE upon induction?
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High pressure liquid chromatography (HPLC) is the best choic…
High pressure liquid chromatography (HPLC) is the best choice for separating all of the following for downstream use EXCEPT
In which gel visualization method can the same visualized ge…
In which gel visualization method can the same visualized gel also be used for downstream experimentation?
Which of the following involves analyzing proteins involved…
Which of the following involves analyzing proteins involved in transcription?
You analyze a protein and obtain the results shown below. Wh…
You analyze a protein and obtain the results shown below. What is TRUE about this gel?
When would a researcher use chaotropic salts in a purificati…
When would a researcher use chaotropic salts in a purification?
A protein that can be acetylated has five domains (A through…
A protein that can be acetylated has five domains (A through E). Researchers deleted these domains in the western blot of an SDS-PAGE below. From this data, you can conclude that
Peak 3 below from an ion exchange column shows
Peak 3 below from an ion exchange column shows
A protein is acetylated at lysine 255 (K). Researchers mutat…
A protein is acetylated at lysine 255 (K). Researchers mutated the protein in the western blot of an SDS-PAGE below. What can you conclude from this figure?
When the phage bacterial expression system is on,
When the phage bacterial expression system is on,