Proteins and nucleic acids both play vital roles in the structure and function of cells. Part A: Describe the monomers that make up both macromolecules, in detail.

Part B: Compare and contrast the functions of both proteins and nucleic acids in the cell.

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?