A protein has an absorbance of 0.36, and 4 tryptophans (ε = 5500) and 2 tyrosines (ε = 1490). What is its concentration?
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An Office of Research administrator’s salary is paid out of…
An Office of Research administrator’s salary is paid out of the University’s budget. This is considered
Tris is a commonly used buffer between pH 7.5-9.0. Why is it…
Tris is a commonly used buffer between pH 7.5-9.0. Why is it not used above or below this range?
Which of the following statements about proteins is TRUE?
Which of the following statements about proteins is TRUE?
The serological pipette has a ________ tip because its purpo…
The serological pipette has a ________ tip because its purpose is ________ an exact amount for a single dispense.
Which organization is responsible for categorizing laborator…
Which organization is responsible for categorizing laboratory strains of organisms based on their potential for causing disease?
A serological pipette has a thicker tip, which is beneficial…
A serological pipette has a thicker tip, which is beneficial when using the pipette to
Which of the following is NOT an example of preparative cent…
Which of the following is NOT an example of preparative centrifugation?
An experiment calls for 225 ml of 45% w/v solution of NaCl (…
An experiment calls for 225 ml of 45% w/v solution of NaCl (Mw = 58.44). How many grams of NaCl are needed?
Which of the following should be considered for authorship o…
Which of the following should be considered for authorship on a paper?