If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87 °C, how many moles of gas do I have?

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

1) this is the structure in the cell nucleus that houses a cell's genetic information

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al