Question

state the major functions of proteins by determining if the following statements are \true\ or \false\: collagen is a protein. antibodies are proteins. myosin is not a protein. enzymes are not proteins. keratin is not a protein. many hormones are proteins. actin is a protein.

Explanation:

Collagen is a structural protein. Antibodies are proteins involved in the immune - system. Myosin is a protein important for muscle contraction. Most enzymes are proteins (although there are ribozymes). Keratin is a structural protein in hair, nails, etc. Many hormones are proteins. Actin is a protein involved in muscle function and cell movement.

Answer:

Collagen is a protein: TRUE
Antibodies are proteins: TRUE
Myosin is not a protein: FALSE
Enzymes are not proteins: FALSE
Keratin is not a protein: FALSE
Many hormones are proteins: TRUE
Actin is a protein: TRUE