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Objective: Describe the steps of Transcription

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Presentation on theme: "Objective: Describe the steps of Transcription"— Presentation transcript:

1 Objective: Describe the steps of Transcription
S4: The Central Dogma E1: Transcription Objective: Describe the steps of Transcription Do this: have a colored pencil or highlighter ready

2 Transcription

3 Transcription The Central Dogma

4 The Central Dogma Information flows from DNA → RNA → Proteins
Transcription The Central Dogma Information flows from DNA → RNA → Proteins

5 Replication: Copies DNA

6 Replication: Copies DNA
Transcription: Creates RNA

7 Replication: Copies DNA
Transcription: Creates RNA Translation: Makes Proteins

8 RNA

9 RNA is different from DNA

10 RNA is different from DNA Ribose sugar (not deoxyribose)

11 RNA RNA is different from DNA Ribose sugar (not deoxyribose) Contains uracil (in place of thymine)

12 RNA RNA is different from DNA Ribose sugar (not deoxyribose) Contains uracil (in place of thymine) Single-stranded (not double)

13 Transcription makes RNA from DNA

14 Transcription makes RNA from DNA
Steps:

15 Transcription makes RNA from DNA
Steps: RNA Polymerase “unzips” DNA at the gene site

16 Transcription makes RNA from DNA
Steps: RNA Polymerase “unzips” DNA at the gene site Nucleotides pair with one side of the DNA

17 Transcription makes RNA from DNA
Steps: RNA Polymerase “unzips” DNA at the gene site Nucleotides pair with one side of the DNA RNA strand detaches, and can leave the nucleus

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