Page 187 - The Evolution Impasse 2

RNA World Scenario, The 185

ceed in do ing so? Where did it find ex pect ing a car to as sem ble it self.
the nu cle ot i des it would use while This pro duc tion can not take place in
cop y ing it self? the ab sence of a fac to ry and work ers.
The ev o lu tion ist bi ol o gists Dr. Leslie Orgel, a well-known
Gerald Joyce and Leslie Orgel state ev o lu tion ist bi o chem ist and al so
the hope less ness of the sit u a tion: known as one of the found ing fa -
Our dis cus sion has fo cused on a straw thers of the 'RNA world' hy poth e sis,
man: the myth of a small RNA mol e - us es the term sce nar io for the chan ces
cule that aris es de novo and can rep li - of life be gin ning with RNA. Orgel
cate ef fi cient ly and with high fi del i ty sets out the fea tures this RNA would
un der plau si ble pre bi ot ic con di tions. need to pos sess, and the im pos si bil i -
Not on ly is such a no tion un re al is tic in ty there of, in an ar ti cle ti tled "The
light of our cur rent un der stand ing of
Origin of Life on Earth," in the
pre bi ot ic chem is try, but it should
October 1994 edi tion of American
strain the cre du li ty of even an op ti -
Scientist:
mist's view of RNA's cat a lyt ic po ten -
This sce nar io could have oc curred, we
tial. 206
not ed, if pre bi ot ic RNA had two prop -
3- Even as sum ing that an RNA
er ties not ev i dent to day: A ca pac i ty to
ca pa ble of cop y ing it self did ap pear
rep li cate with out the help of pro teins
in the pri me val world, and in fi nite and an abil i ty to cat a lyze ev ery step of
amounts of all va ri e ties of ami no ac - pro tein syn the sis. 207
ids that the RNA need ed were avail -
As you can plain ly see, on ly ev o -
a ble in the en vi ron ment—if all these
lu tion ist im ag i na tion and prej u dice
im pos si bil i ties were some how over -
could ex pect these two com plex
come, this is still not enough to form
proc ess es, which Orgel de scribes as
a sin gle pro tein mol e cule. Because
in dis pen sa ble, from a mol e cule like
RNA is sole ly in for ma tion about
RNA. Scientific facts re veal that the
pro tein struc ture. Amino ac ids, on
RNA World the sis, a new ver sion of
the oth er hand, are raw ma te ri als.
the claim that life was born by
Yet there is no mech a nism here to
chance, could nev er come true.
pro duce pro tein. Viewing the ex is -
tence of RNA as suf fi cient for pro -
tein pro duc tion is as non sen si cal as
throw ing the thou sands of com po -
nents of a car on to a blue print and

Harun Yahya - Adnan Oktar