Which type of rotor allows you to spin samples into the best pellet possible?
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You want to load DNA onto a gel which has 40 µl wells. How m…
You want to load DNA onto a gel which has 40 µl wells. How much of a 5X stock of sample loading buffer should be mixed with the DNA to fill up the well?
You add 1000 microliters of Folin reagent to a lysate sample…
You add 1000 microliters of Folin reagent to a lysate sample and read its absorbance in the spectrophotometer, which gives a reading of 0.3 compared to a blank. This is a(n) ________ measurement.
A 400 amino acid protein would weigh approximately ______ kD…
A 400 amino acid protein would weigh approximately ______ kDa.
An experiment calls for 375 ml of 55 mM Tris (Mw = 121.14 g/…
An experiment calls for 375 ml of 55 mM Tris (Mw = 121.14 g/mol), and you have a 5 M stock of Tris. How many milliliters of Tris are needed to make this solution?
Collecting data until nonsignificant results become signific…
Collecting data until nonsignificant results become significant is called
You wish to study the effects of substrate concentration on…
You wish to study the effects of substrate concentration on enzyme rate. For the experiment, you alter the substrate concentration and measure the change in enzyme rate, while making sure the enzyme concentration is constant in each sample. Which is the control?
Which type of inhibitor typically binds to the enzyme’s acti…
Which type of inhibitor typically binds to the enzyme’s active site?
A published clinical study shows a drug is ineffective again…
A published clinical study shows a drug is ineffective against a disease, but doctors continue to prescribe it due to some of their patients reporting that the drug is working. This is an example of
You notice that your micropipette is consistently aspirating…
You notice that your micropipette is consistently aspirating 3 microliters more than what it is set to aspirate. What type of error is this?