Margaret wants to create a comparison for hormones to help her understand their function better. Which of the comparisons below is the best?
A hormone is like an e-mail with instructions from someone's boss,
D A hormone is like a key for a lock,
D A hormone is like a lock that needs a particular key
O A hormone is like an employee who follows instructions from the boss.

"A hormone is like an e-mail with instructions from someone's boss" is the best description to define a hormone.

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. what is the relationship between the shape of an enzyme and the reactions they catalyze?

2. how does an enzyme inhibitor work?

separate your answers so i dont get confused : )