sintesis protein.pptx
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SINTESIS PROTEINDNA
TRANSCRIPTION
TRANSLATION
Protein
RNAm
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Molekul yang terlibat
1. DNA
2. RNA m
3. RNA t4. RNA r
. En!im RNA "olymera#e
$. DNA %elika#e&. SS' (#ingle)#tran*e* bin*ing+
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SINTESIS PROTEIN
Pro#e# "embentukan "rotein
'erlang#ung *alam 2 ta%a",
1. Tran#kri"#i2. Tran#la#i
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Tran#kri"#i
Pro#e# "engko"ian-"enyalinanmolekul DNA mena*i uta# RNA yangkom"lementer.
Melibatkan RNA Polymera#e
Ter*iri ata# 3 ta%a",
1. Ini#ia#i
2. Elonga#i
3. Termina#i
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Ta%a"an tran#kri"#i
1.Inisiasi
.Pengikatan RNA "olymera#e tera*i "a*atem"at tertentu yaitu te"at *i*e"an gen yang
akan *itran#kri"#i. )tem"at "ertemuan antaragen (DNA+ *engan RNA "olymera#e *i#ebut"romoter.
./emu*ian DNA %elika#e membuka *ouble%elik# DNA.
.Sala% #atu uta# DNA ber0ung#i #ebagai etakan(rantai #en#e+
.En!im RNA "olymera#e menyalin gen
http://var/www/apps/conversion/tmp/scratch_4/INISIASI.rtfhttp://var/www/apps/conversion/tmp/scratch_4/INISIASI.rtfhttp://var/www/apps/conversion/tmp/scratch_4/INISIASI.rtf -
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Ta%a"an tran#kri"#i
2. Elongasi
En!im RNA "olymera#e bergerak#e"anang molekul DNA *anmerangkai ribonukleotida ke ujung 3dari RNA yang sedang tumbuh.
http://var/www/apps/conversion/tmp/scratch_4/ELONGASI.docxhttp://var/www/apps/conversion/tmp/scratch_4/ELONGASI.docx -
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Ta%a"an tran#kri"#i
3. Terminasi
Tera*i "a*a tem"at tertentu. Pro#e#termina#i tran#kri"#i *itan*ai *enganter*i#o#ia#inya en!im RNA"olymera#e *ari DNA *an RNA*ile"a#kan.
http://var/www/apps/conversion/tmp/scratch_4/TERMINASI.docxhttp://var/www/apps/conversion/tmp/scratch_4/TERMINASI.docx -
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Pro#e# Sinte#i#
Protein
RNA polymerase
DNA of gene
PromoterDNA Terminator
DNAInitiation
Elongation
Termination
Area shownin Figure !"#A
$rowingRNA
RNA
polymerase
Complete% RNA
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Tran#la#i
Tran#la#i meru"akan "ro#e#"enterema%an in0orma#i *alam bentukko*on)ko*on *i RNAm mena*i urutana#am amino #"e#ik "enyu#un "rotein.
Pro#e# ini membutu%kan *ua eni# RNAlainnya yaitu tRNA *an rRNA
Sama #e"erti tran#kri"#i tran#la#i uga
ter*iri *ari 3 ta%a"an yaitu ini#ia#ielonga#i *an termina#i
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Tran#la#i
Ta%a" Ini#ia#i
RNAr unit keil mengenali ko*on ini#ia#i (ko*on #tart+ "a*aRNAm.
RNA t bergabung *an membaa ko*on membaa a#am amino
RNAr unit be#ar ikut bergabung *an membentuk /om"le5RNAm6RNAr
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Tran#la#i
Ta%a" Elonga#i
RNAt membaa ko*on ke*ua *anbergabung "a*a kom"le5RNAm6RNAr "a*a #i#i A.
A#am amino *iikat *engan ikatan"e"ti*a
RNAt berge#er *an menem"ati #i#iE kemu*ian mele"a#kan *iri
Si#i A *ii#i lagi ole% RNAt lain *#t5
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Termina#i
Dimulai ketika RNAt menemukan #to" ko*on "a*aRNAm
/om"le5 RNAm6RNAr mengalami *i#io#ia#i-ber"i#a%
Sinte#i# #ele#ai
Tran#la#i
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TRANSLASI
http://var/www/apps/conversion/tmp/FLASH/sintesis%20protein%20TRANSLASI.swfhttp://var/www/apps/conversion/tmp/FLASH/sintesis%20protein%20TRANSLASI.swf -
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