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 ribose  Adenine  Uracil  Adenine  Single.

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Presentation on theme: " ribose  Adenine  Uracil  Adenine  Single."— Presentation transcript:

1

2  ribose

3  Adenine  Uracil

4  Adenine

5  Single

6  mRNA – single stranded chain; takes message from DNA to ribosomes  rRNA – globular with proteins; makes up ribosomes  tRNA – hairpin or cloverleaf; transfers aa to ribosomes

7  mRNA

8  rRNA

9  rRNA and proteins

10  Copying genetic info from DNA into RNA

11  Initiation  Elongation  Termination

12  Ribosomes

13  Primary transcription enzyme  Adds complimentary RNA bases to DNA template to build RNA transcripts

14  Promoter  Coding sequence  Termination signal

15  Promoter – initiation  Coding region – elongation  Termination signal – termination

16  Marks the beginning of a gene  Where RNA pol binds to start tscn

17  The promoter

18  It opens  Transcription bubble or puff

19  no

20  RNA pol adds RNA nt to build transcripts

21  template

22  5’ to 3’

23  3’ to 5’

24

25  Coding strand

26  Marks the end of the DNA that’s being transcribed

27  transcripts

28  All 3 kinds!

29  Pre-mRNA

30  Processing! ◦ Capping ◦ Splicing

31  splicing

32  Introns  Introns intervene or interfere

33  Exons  Exons are expressed

34  Into the cytoplasm to the ribosomes for translation


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