What are the two
major roles of the nucleus

The nucleus stores the cell's DNA. It also coordinates the cell's activities, such as growth, intermediary metabolism, protein synthesis, and reproduction.

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

the must be sensory neurons.  

hope its .

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.