生命的省思. 周成功 陽明大學生命科學系 email@example.com. 生命是什麼？. 地球生命的起源 ?. 來自外太空 ? 發生於地球 ? 無論發生地何在，問題仍舊一樣 「生命如何開始？」 「細胞的資訊系統如何形成？」. Stanley Miller and origin of life. Harold Urey 1950. The building blocks of life can be formed from inanimate environment ！. What is life? E. Schrondinger, 1943.
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The building blocks of life can be formed from inanimate environment！
Using physical barrier to isolate internal structure from external aqueous environment
Metabolic reaction network in one single cell to extract energy from the food .
Genetic program ( a set of genes or genome ) instructs the formation of such network ( hardware ) from generation to generation!
-.-. .- -
11000011 01000001 11010100
43 41 54
C A T
C A T
- 30,000 – 40,000 genes
- 3,000,000,000 genetic codes
- 23 chromosome
- In almost every single human cells except red blood cells
From “ A physicist looks at biology” by Max Delbruck, 1949
Whether and how biology differs from the physics?
By Ernest Rutherford
“A mature physicist, acquainting himself for the first time with biology, is puzzled by the circumstance that there are no ‘absolute phenomenon’ in biology. Everything is time-bound and space-bound. The animal or plant or micro-organism he is working with is but a link in an evolutionary chain of changing forms, none of which has any permanent validity.”
By Max Delbruck
“The genetic program is the product of a history that goes back to the origin of life, and thus it incorporates the “experiences” of all ancestors.”
From “Is biology an autonomous science?”
By Ernst Mayr 1985
T. Dobzhansky 1900 - 1975.