Which of the following statement is true about proteins: * They function as catalysts, they transport and store other molecules such as oxygen, they provide mechanical support and immune protection...

Extracted text: Which of the following statement is true about proteins: * They function as catalysts, they transport and store other molecules such as oxygen, they provide mechanical support and immune protection they are the most versatile macromolecules in living systems and serve crucial functions in essentially all biological processes. O both a and b non of the above