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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?

A 400 amino acid protein would weigh approximately ______ kDa.

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 significant is called

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 active site?

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 3 microliters more than what it is set to aspirate. What type of error is this?

A Principal Investigator receives a three-year grant from the NSF, from which a percentage of the grant goes to various research administrative offices. This is considered

To fractionate a cell homogenate into its components, the best process to use would be