Introduction of biochemistry
Biochemistry
Biochemistry has
become the foundation for understanding all biological
processes.
It has provided
explanations for the causes of many diseases in humans,
animals and plants
What is Biochemistry
•Biochemistry is the application of chemistry
to the study of biological processes at the cellular and molecular level.
•
• It emerged as a distinct discipline around
the beginning of the 20 th century when scientists combined chemistry,
physiology and biology to investigate the chemistry of living systems by:
A.Studying the structure and
behavior of the complex molecules found in biological material and
●
B.the ways these molecules interact
to form cells, tissues and whole organism
Principles
of Biochemistry
•Cells (basic structural units of living
organisms) are highly organized and constant source of energy is required to
maintain the ordered state.
•
• Living processes contain thousands of
chemical pathways. Precise regulation and integration of these pathways are
required to maintain life
•
•Certain important pathways e.g. Glycolysis
is found in almost all organisms.•
•All organisms use the same type of molecules:
carbohydrates, proteins, lipids & nucleic acids.
•
•Instructions for growth, reproduction and
developments for each organism is encoded
in their DNA
•
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