Name and describe the four main categories of biochemical molecules.2 references (in APA format). Your post should be at least 250 words.

Name and describe the four main categories of biochemical molecules.
Biochemical molecules are the molecules produced by living organisms. Each and every living organism, including cell that plays role in making up of a human body comprises of various biomolecules in small sets. Majorly there are four categories of biochemical molecules. These are as follows:
1. Carbohydrates
These contain elements of carbon, oxygen ad well as hydrogen (C, O and H). Most common carbohydrates are sugars. Inside a cell, carbohydrates play various roles such as acting as source of energy, providing structure to cell, help in communication, and supports cell adhesion along with acting as defensive mechanism for removal of foreign substance from the body.
2. Proteins
These are made up of amino acids and serve various...