A dog trainer gives a dog a treat every third time the dog sits after the trainer says "sit." What BEST describes the schedule of reinforcement under which the trainer is controlling the dog's behavior? a. Fixed ratio b. Variable interval c. Variable ratio d. Fixed interval

C

Explanation:

the binding of the substrate is dictated by the shape of each molecule. side chains on the enzyme interact with the substrate in a specific way, resulting in the making and breaking of bonds.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion