Which best explains why a crystal is incomprehensible?

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 are the percent by mass of copper in penny lab

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?