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RNA and Transcription DNA RNA PROTEIN.

Published byGeoffrey Norman Modified over 5 years ago

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Presentation on theme: "RNA and Transcription DNA RNA PROTEIN."— Presentation transcript:

1 RNA and Transcription DNA RNA PROTEIN

2 RNA and Transcription

3 RNA Ribonucleic Acid another type of nucleic acid similar to DNA found in cells also a polymer made of nucleotides takes information from the nucleus to the rest of the cell

4 DNA-RNA Comparison Chart
nucleotide sugar nitrogen bases number of strands location in the cell

5 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose nitrogen bases number of strands location in the cell

6 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose nitrogen bases adenine, cytosine, guanine, thymine number of strands location in the cell

7 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose nitrogen bases adenine, cytosine, guanine, thymine number of strands double (2) location in the cell

8 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose nitrogen bases adenine, cytosine, guanine, thymine number of strands double (2) location in the cell nucleus

9 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose ribose nitrogen bases adenine, cytosine, guanine, thymine number of strands double (2) location in the cell nucleus

10 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose ribose nitrogen bases adenine, cytosine, guanine, thymine uracil number of strands double (2) location in the cell nucleus

11 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose ribose nitrogen bases adenine, cytosine, guanine, thymine uracil number of strands double (2) single (1) location in the cell nucleus

12 DNA-RNA Comparison Chart
nucleotide sugar deoxyribose ribose nitrogen bases adenine, cytosine, guanine, thymine uracil number of strands double (2) single (1) location in the cell nucleus nucleus & cytoplasm

13 Transcription process in which part of the nucleotide sequence of DNA is copied into a complementary sequence in RNA synthesis (making) of RNA

14 Transcription during transcription, RNA polymerase binds to DNA at a promoter (start) site unzipping the DNA double strand

15 Transcription

16 Transcription Animation
RNA polymerase enzyme that produces RNA uses one of the DNA strands as a template from which RNA nucleotides are assembled to make mRNA mRNA = messenger RNA Transcription Animation

17 RNA Editing before the mRNA can leave the nucleus it has to be edited
it receives a cap and a tail introns are cut out and exons spliced together

18 RNA Editing Intron Exon
sequence of DNA that is NOT involved in coding for a protein Exon expressed sequence of DNA that codes for a protein

19 RNA Editing

20 3 types of RNA mRNA = messenger RNA
carries message from DNA in the nucleus into cytoplasm where ribosomes are located

21 3 types of RNA tRNA = transfer RNA
connects amino acids to protein chain

22 3 types of RNA rRNA = ribosomal RNA makes up a portion of a ribosome

23 DNA after Transcription
after transcription of RNA is complete, the strands of the DNA double helix hydrogen bond back together at the nitrogen bases allows DNA to remain unchanged and used for the transcription of additional RNA molecules

24 RNA after Transcription
after mRNA is edited, it leaves the nucleus

25 RNA after Transcription
once it gets to the ribosome, it will help make a protein

26 Think, Pair, Share…

27 1. Is the RNA strand below copied from the DNA strand on the left or the DNA strand on the right? 2. How do you know?

28 1. The RNA is made from the strand on the LEFT. 2
1. The RNA is made from the strand on the LEFT. 2. RNA is transcribed complementary.

29 Summary Transcribe the template DNA strand on the right into a single stranded piece of mRNA.

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