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Biochemistry
The chemistry
of life
How did life
originate?
chaos
sky sea
earth Gaia
Uranus
Hundred handed onesCyclopesTitans …
Cronus
Zeus
Poseidon
Hades Olympians
Atlas
Nike
Prometheus
Epimetheus---- Pandora
Heracles
What is life ?
•C
om
ple
x a
nd d
ynam
ic
•Organized and self-sustaining
•In
form
ati
on-b
ase
d
• Adaptable and evolving
• Domain: EUCARYA
– Kingdom: ANIMALIA• Phylum: CHORDATA–Subphylum: VERTEBRATA»Class: MAMMALIA •Order: PRIMATE
Family: HOMINIDAE•Genus: HOMO
Species: SAPIENS
Evolution is the idea that all living things arose from a single common
ancestor in the distant past and that life continues to diversify today as new species appear. Evolution explains why
we can classify organisms into different groups (because some
organisms are more closely related than others). Evolution explains why
the cells of all organisms use the same kind of biochemical machinery
(because all life shares a common ancestor).* Evolution is both a theory and a fact
“What is true of E. coli is true of the elephant”Jacques Monod
Can we create life?
1953
Abiogenesis
Can we study life?
Metabolism
•Anabolism •Catabolism
Guillotine