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Introduction to Biochemistry | First Year Biology New Book Series
Introduction to Biochemistry
Biochemistry is a branch of science which deals with the chemical basis of life.
All organisms are made up of cells.
Cells themselves are made up of atoms (elements) e.g. carbon, oxygen, hydrogen, nitrogen, etc.
When we eat, respire, feel happy, feel sad, etc. all are chemical activities.
Chemicals keep us alive by reacting with each other.
So first job of biology student is to understand chemistry of life i.e. biochemistry.
Common elements that form cell are carbon, hydrogen and oxygen (95% of cell).
Atoms combine and form molecules.
Molecules are both organic and inorganic.
Organic molecules are more important as they form long chain molecules.
Importance
Biology help us understanding,
1. How body is made.
2. What is normal metabolism.
3. What are metabolic abnormalities.
4. How cells communicate.
5. How DNA control cell.
6. How to find new ways to fight diseases, etc.
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