I believe the correct answer to this question is B.
This is the correct answer because the other options can be eliminated and this choice represents the proper process described in the question. Answer choice A describes photosynthesis, which is not being asked about in the question. Answer choices C and D are either partially false or describe an unmatching process with the question.
Proteins are the polymers of amino acid and acts as the main building block of the organism. Proteins can also be used as a source of energy for the body.
Enzymes are bio-catalyst that break down the large food molecules into the simpler substances. Enzymes break down the protein molecule into simple food particles. These food particles are absorbed in the blood and available to the cells.
