Question

Chemical control in organisms is brought about by
(a) Enzymes
(b) Neurons
(c) Hormones
(d) All of the above

Answer 1

Chemical control in organisms is brought about by Hormones.

Answer 2

Chemical control is brought about by enzymes as some chemical reactions which take place inside body require enzymes it means the reactions takes place in d presence of enzymes. They are required for some conversions.