Which are the functions of proteins? a)Genetic information and regulation

b)Enzymes and antibodies

c)Hormones and steroids

d)Insulation and storage

answer; /// i believe the correct answer is (reactants);

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint