Question: which one of the following is a function of a protein quizlet?
Answer: acid-base balance. proteins help maintain the acid-base balance of various body fluids by acting as buffers.
antibodies. proteins form the immune system molecules that fight diseases.
blood clotting. ... 
energy. ... 
enzymes. ... 
fluids and electrolyte balance. ... 
growth and maintenance. ... 
hormones.