When proteins are broken down by enzymes, they become

Amino acids

Explanation:

Since amino acids are the building blocks of protein,when protein is broken down by enzymes called proteases it becomes Amino acids.

I hope this helps:)

23.5

23.5

47.0

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.