I need help with ordering these steps

Place the steps tor the formation of the enzyme pepsinogen in correct order

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?