People's University
Biological Molecules
Written Assignment – Unit Two
Chemical compounds are chemical substances composed of several elements, forming
another chemical compound. Chemical compounds exist in several states: solid, gaseous,
and liquid. They are also used in various applications, such as the manufacture of detergents
.and soft drinks
They are also used in the manufacture of medicines, fertilizers, dyes, clothing, plastics,
)rubber, and other important industries, and are very beneficial to humans. (Khalil, 2021
When different biochemical compounds are digested in the human body, a variety of final
:compounds are formed. Here are some examples
:Carbohydrate digestion
Final product: Glucose
Intermediate product: Pyruvate
:Protein digestion
Final product: Amino acids
Intermediate product: Peptides
:Fat digestion
Final product: Fatty acids and glycerol
Intermediate product: Lipids