When it is time to replicate, the DNA unzips (at the hydrogen bonds).
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Transcript of When it is time to replicate, the DNA unzips (at the hydrogen bonds).
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DNA mRNA
1.) Longer Shorter
2.) Thousands of millions of genes 1 gene
3.) Double stranded [ helix] Single-Stranded
4.) Bases- AGCT Bases AGCU [ U= Uracil]
5.) Stays in the nucleus Produced in the nucleus and goes to the cytoplasm and to the ribosome
6.) Produced in replication Produced in transcription
7.) Deoxyribose sugar Ribose Sugar
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When it is time to replicate, the DNA unzips (at the hydrogen bonds).
Replication
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New complementary nucleotides move in to match BOTH halves of the DNA and form hydrogen bonds with the old nucleotides.
Replication
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The finished product is: 2 identical DNA molecules that are ½ new and ½ old.
Replication
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Replication
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Replication
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Replication
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Replication
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Replication
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Replication
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Replication
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Replication
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Transcription
Cells gets the message that a protein needs to be made and a portion of DNA unwinds, exposing the gene that needs to be copied.
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Transcription
Nucleotides move in to one half of the unzipped DNA. These nucleotides have ribose sugar and uracil instead of thymine.
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Transcription
The mRNA leaves the nucleus and goes to the ribosome. The DNA rezips.
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Transcription
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Translation
The mRNA goes to the ribosome.
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Translation
The mRNA tells the ribosome which amino acids to assemble into a protein.
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Translation
The amino acids come into the ribosome and are attached to each other by peptide bonds.
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Translation
The protein is finished and is ready to be used by the cell.
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation
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A U G G G C U U A A A G C A G U G C A C G U U
Translation