The is a large structure that directs the cell's activities.
(please help me)

Nucleus

because it's the  structure directs all of the cell's activities, including reproduction.

[content deleted] - user123802726recklesschicken

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.