Bacteria are formed by

Meiosis
Mitosis
Binary fission
Multiple fission

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

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.