Date post: | 27-Jun-2015 |
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Protein Synthesis
By Canaan Knox
Transcription
• In transcription, RNA polymerase unwinds a piece of DNA. Then the mRNA messenger RNA matches the bases of the DNA. The mRNA breaks off of the DNA and and goes through the nuclear pores and into the ribosomes.
Translation
• In Translation, the ribosome is split in two pieces a large subunit and a small subunit. The ribosomes read the mRNA strand. The ribosome translate the mRNA strand into amino acids making a polypeptide chain. The chain has to fold up to get its function.
Cytoplasm
Cell
Nucleus
DNA
Cytoplasm
Cell
Nucleus
DNA
Cytoplasm
Cell
Nucleus
DNA
Cytoplasm
Cell
Nucleus
DNA
RNA polymer
ase
T A C G T A C C G T A C A T C
A T G C A T G G C A T A C A G
RNA polymer
ase
TA C G T A C C G T A C A T C
AT G C A T G G C A T A C A G
RNA polymer
ase
T AC G T A C C G T A C A T C
A TG C A T G G C A T A C A G
RNA polymer
ase
T A CG T A C C G T A C A T C
A T GC A T G G C A T A C A G
RNA polymer
ase
T A C GT A C C G T A C A T C
A T G CA T G G C A T A C A G
RNA polymer
ase
T A C G TA C C G T A C A T C
A T G C AT G G C A T A C A G
RNA polymer
ase
T A C G T AC C G T A C A T C
A T G C A TG G C A T A C A G
RNA polymer
ase
T A C G T A CC G T A C A T C
A T G C A T GG C A T A C A G
RNA polymer
ase
T A C G T A C CG T A C A T C
A T G C A T G GC A T A C A G
RNA polymer
ase
T A C G T A C C GT A C A T C
A T G C A T G G CA T A C A G
RNA polymer
ase
T A C G T A C C G TA C A T C
A T G C A T G G C AT A C A G
RNA polymer
ase
T A C G T A C C G T AC A T C
A T G C A T G G C A TA C A G
RNA polymer
ase
T A C G T A C C G T A CA T C
A T G C A T G G C A T AC A G
RNA polymer
ase
T A C G T A C C G T A C AT C
A T G C A T G G C A T A CA G
RNA polymer
ase
T A C G T A C C G T A C A TC
A T G C A T G G C A T A C AG
RNA polymer
ase
T A C G T A C C G T A C A T C
A T G C A T G G C A T A C A G
RNA polymer
ase
T A C G T A C C G T A C A T C
A T G C A T G G C A T A C A G
T
A C G T A C C G T A C A T C
A
T G C A T G G C A T A C A G
T A
C G T A C C G T A C A T C
A T
G C A T G G C A T A C A G
T A C
G T A C C G T A C A T C
A T G
C A T G G C A T A C A G
T A C G
T A C C G T A C A T C
A T G C
A T G G C A T A C A G
T A C G T
A C C G T A C A T C
A T G C A
T G G C A T A C A G
T A C G T A
C C G T A C A T C
A T G C A T
G G C A T A C A G
T A C G T A C
C G T A C A T C
A T G C A T G
G C A T A C A G
T A C G T A C C
G T A C A T C
A T G C A T G G
C A T A C A G
T A C G T A C C G
T A C A T C
A T G C A T G G CA T A C A G
T A C G T A C C G T
A C A T C
A T G C A T G G C A
T A C A G
T A C G T A C C G T A
C A T C
A T G C A T G G C A T
A C A G
T A C G T A C C G T A C
A T C
A T G C A T G G C A T A
C A G
T A C G T A C C G T A C A
T C
A T G C A T G G C A T A C
A G
T A C G T A C C G T A C A T
C
A T G C A T G G C A T A C AG
T A C G T A C C G T A C A T C
A T G C A T G G C A T A C A G
Nuclear pore
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
Cytoplasm
Cell
Nucleus
Ribosomes
mRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
Subunit
Ribosome
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
Subunit
Ribosome
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C U A C
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C U A C
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C U A C U A C
Polypeptide Chain
tRNA
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C U A C U A C
Polypeptide Chain
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C U A C U A C
Polypeptide Chain
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C U A C U A C
Polypeptide Chain
A U G C A U C C G A U G A U G
Start
Codon
Codon
Codon
Codon
Stop
Codon
Large
Subunit
Small
SubunitRibosome
U A C G U A G G C U A C U A C
Polypeptide Chain
Protein in tertiary state
• Now we have functioning protein.