Page 184 - The Evolution Impasse 2

182 Ribosome

dam age the mu tat ed in di vid u al, and tured through the read ing of these
that it is clear ly in con sist ent for the codes, the ri bo some to which the
pro po nents of punc tu at ed ev o lu tion mRNA with the code will go and
to ex pect any such great suc cess es bind to for pro duc tion, a trans port er
from mu ta tions. RNA that car ries the ami no ac ids to
be used in pro duc tion to the ri bo -
some, and the ex ceed ing ly com plex
RIBOSOME en zymes that en sure the count less
Proteins are pro duced as the re - oth er in ter me di ate proc ess es in the
sult of high ly de tailed proc ess es in - same en vi ron ment. Bear in mind
side the cell, with the as sist ance of that such a con trolled en vi ron ment
many en zymes, in an or gan elle needs to be com plete ly iso lat ed and
called the ri bo some. The ri bo some it - al so to con tain all the req ui site en er -
self con sists of pro teins. This there - gy sour ces and raw ma te ri als, and
fore brings with it an un re al is tic hy - the in va lid i ty of the claims of chance
poth e sis that the ri bo some came in to can be seen on ly too clear ly.
be ing by chance. Even Jacques
Monod, a Nobel prize-win ner and
RIGHT-HANDED (DEXTRO)
well-known ad vo cate of the the o ry
AMINO ACIDS
of ev o lu tion, de scribes how pro tein
syn the sis can not be re duced sole ly — See Left-Handed Amino Acids
to in for ma tion in nu cle ic ac ids:
The code [in DNA or RNA] is mean -
RNA WORLD SCENARIO,
ing less un less trans lat ed. The mod ern
cell's trans lat ing ma chin ery con sists THE
of at least 50 mac ro mo lec u lar com po - Asked how the first cell came in -
nents, which are them selves cod ed in
to be ing, ev o lu tion ists since the ear -
DNA: the code can not be trans lat ed
ly 20th cen tu ry have of fered var i ous
oth er wise than by pro ducts of trans la -
the o ries. The Russian bi ol o gist
tion them selves… When and how did
Alexander Oparin pro posed the first
this cir cle be come closed? It is ex ceed -
ev o lu tion ist the sis on this sub ject,
ing ly dif fi cult to im ag ine. 204
sug gest ing that pro teins formed first
The ge net ic sys tem re quires the
with a num ber of ran dom chem i cal
en zymes to read this code from the
re ac tions on the pri me val Earth, and
DNA, the mRNA to be man u fac -
The Evolution Impasse II