What is the expected lifespan of a nuclear reactor?

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.

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

What is the correct lewis structure for chloroform chcl3