Question

Which of the following is called "biological middle man''
A) Hormone
B) Vitamin
C) Enzyme
D) All the above

Answer 1

i think answer is A. Hormone

but i'm not sure . !!
Sorry, if i'm wrong

Answer 2

Answer:

Enzymes are called as Biological Middle Man, hence enzyme is the right answer.  

Explanation:

The enzymes in Biological components play a major role in catalyzing various biochemical pathways. They act as substance of support for converting the various complex molecules into similar form.  

For example:

The Human digestion process starts right from the saliva of the mouth, which contains enzymes like amylase, lysozyme and it ends in intestine with proteolytic enzymes. Even to maintain the cell division the enzyme plays role. Overall, the enzyme plays strong and critical role.