Using a radioactive isotopes half-life to date materials

(18 letter word)

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles