Moss often grows on trees. the tree is not affected ,while the moss has the nutrients it needs to grow. what type of relationship is this

What is called the "building block" of life?

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?