Author: Anonymous

You have a stock of DNA ligase at 50,000 units/µl. You need 10,000 units of ligase in a 20 µl reaction, how many microliters of ligase do you need?

Amino acids differ due to their unique

When using a micropipette, you must push down to the second stop to

You wish to study the effects of of a drug’s concentration on bacterial growth. For this experiment, you alter the drug concentration and measure the change in bacterial growth, while making sure the temperature is constant in each sample. Which is the independent variable?

Which of the following is TRUE with regards to a micropipette?

You want to load DNA onto a gel which has 36 µl wells. How much of a 3X stock of sample loading buffer should be mixed with the DNA to fill up the well?

You wish to study the effects of of a drug’s concentration on bacterial growth. For this experiment, you alter the drug’s concentration and measure the change in bacterial growth, while making sure the temperature is constant in each sample. Which is the control?

When using a micropipette, you must push down to the first stop to

A group of graduate students gather every week to present papers from the latest editions of Nature. This is called a(n)

An experiment calls for 375 ml of 55% w/v solution of NaCl (Mw = 58.44). How many grams of NaCl are needed?