The correct option is C: Proteins
Proteins are essential for all living organisms as it carried out important function.
Proteins help in repairing all living organisms organs and as well as the tissues and cells.
Proteins help to protect the body against bacteria and viruses which is why they are said to be important macromolecules that are part of animal connective tissue.
Example of macromolecules is proteins.
Inconclusion The correct option is C: Proteins
Learn more about Proteins here:
https://brainly.com/question/19596068
