Some substances must be dissolved in water before they can be used
B i know this one you got this bro
A large molecule made up of smaller molecules is called a macromolecule. Macromolecules are also sometimes called polymers.
The presence of specific types of enzyme for a substrate means that the food where the substrate is found, is included in the animal's diet.This is because having a specific enzyme means that it is able to digest the food into useful molecules for energy and constant growth.
Answer:
That's right.
Explanation:
It doesn't seem you're asking anything, if you're asking for confirmation this is right then I can tell you it is.