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Catabolism is the process in which a complex substance is broken down into its smaller components. For example is you excersice for a sufficient amount of time, your body will begin "burining fat" (i.e., breaking it down into smaller molecules to release the necessary energy required for continued exercise).
Most large insoluble molecules get broken down in the digestive system to small (simpler) soluble molecules.
The process in which food containing large, insoluble molecules is broken down in to small, water soluble molecules (which can be absorbed by the body) is called digestion.
Digestion
complex molecules are broken down into simple ones
chemical digestion
Food molecules are used in biosynthesis, because first those molecules are broken down, by things such as digestion. Then when they are finally in a simpler form, they are Biosynthesized. This means that using enzymes as catalysts, they connect the substrates, and are transformed into a more complex product which the cell needs. Some examples of this are proteins and vitamins.
Digestion is the process through which food is broken down in one's digestive system. This is done by mechanical means and the release of enzymes in the alimentary canal. The food must be broken into smaller parts or substance so that the body can utilize them.
Food is broke down into smaller molecules because if it isn't broken down, it'll get stuck in your body.
The process of breaking down food is called digestion.
Complex carbohydrates require digestion in order to be broken down into glucose and to help maintain proper blood sugar levels.
well, enzymes are proteins that break up food molecules and digestion is when large protein molecules are broken down