4. What useful products do anabolic reactions form? ATP and other high-energy compounds

large molecules used for cell growth and repair

the "building blocks" for large biological molecules

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Compare and contrast physical changes with chemical changes.

Ineed ! i have no clue how to do this problem.