WHAT IS LIFE?WHEN DID IT START?
These questions delineate one of the greatest mysteries with which we r confronted with when we try to understand the universe of which we r a part. according to the religious teachings of babylon ,china , egypt or india appearance of life is due to creative act of god,according to THALES living being originted from sea slime.XENOPHANE told organisms originated from earth & water.
Though the above explanations r too philosophical real scientific xplanation of life started to come towards the end of 18th century.the most comprehensive of them is "THEORY OF PANSPERMIA" by H.HELMHOLTZ according to this theory life is actually extraterrestrial in nature & landed on this earth via meteorites,which was not accepted because it is impossible for a life to exist at that high temperature.then came the "THEORY OF BIOCHEMICAL EVOLUTION" by OPARIN & HALDANE.this theory in short says life originated as cluster of different chemicals mainly CARBOHYDRATES,FAT & PROTEIN,which gradually guided themselves in a particular self existing pattern which we call today LIFE...............keep on following for more
http://www.facebook.com/teerthadip.banerjee
These questions delineate one of the greatest mysteries with which we r confronted with when we try to understand the universe of which we r a part. according to the religious teachings of babylon ,china , egypt or india appearance of life is due to creative act of god,according to THALES living being originted from sea slime.XENOPHANE told organisms originated from earth & water.
Though the above explanations r too philosophical real scientific xplanation of life started to come towards the end of 18th century.the most comprehensive of them is "THEORY OF PANSPERMIA" by H.HELMHOLTZ according to this theory life is actually extraterrestrial in nature & landed on this earth via meteorites,which was not accepted because it is impossible for a life to exist at that high temperature.then came the "THEORY OF BIOCHEMICAL EVOLUTION" by OPARIN & HALDANE.this theory in short says life originated as cluster of different chemicals mainly CARBOHYDRATES,FAT & PROTEIN,which gradually guided themselves in a particular self existing pattern which we call today LIFE...............keep on following for more
http://www.facebook.com/teerthadip.banerjee
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