Question

The main function of this macromolecule include muscle development, catalyst activity and defense against disease

Answer 1

The correct answer is protein.

Proteins are macromolecules composed of amino acids with the wide range of structures. Protein functions are diverse:  

• structural proteins-maintaining the cell shape, (for example, proteins are structural elements in connective tissues like cartilage and bone in vertebrates),  

• Enzymes - catalyze the biochemical reactions in cells-.

•  Monitors- changing their activity in response to metabolic signals

• Part of the extracellular matrix or involved in intercellular communication…