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DNA WATSON AND CRICK DOUBLE HELIX 1953. DNA FUNCTION CONTROL CELL FUNCTIONS STORE HEREDITARY INSTRUCTIONS COPY THOSE HEREDITARY INSTRUCTIONS TO A NEW.

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Presentation on theme: "DNA WATSON AND CRICK DOUBLE HELIX 1953. DNA FUNCTION CONTROL CELL FUNCTIONS STORE HEREDITARY INSTRUCTIONS COPY THOSE HEREDITARY INSTRUCTIONS TO A NEW."— Presentation transcript:

1 DNA WATSON AND CRICK DOUBLE HELIX 1953

2 DNA FUNCTION CONTROL CELL FUNCTIONS STORE HEREDITARY INSTRUCTIONS COPY THOSE HEREDITARY INSTRUCTIONS TO A NEW GENERATION CHANGE FOR EVOLUTION GIVE INSTRUCTIONS FOR PROTEIN SYNTHESIS CONTROL CELL FUNCTIONS STORE HEREDITARY INSTRUCTIONS COPY THOSE HEREDITARY INSTRUCTIONS TO A NEW GENERATION CHANGE FOR EVOLUTION GIVE INSTRUCTIONS FOR PROTEIN SYNTHESIS

3 Four nucleotides form DNA Five carbon sugar ( deoxyribose ) phosphate group nitrogen-containing base: adenine, guanine, thymine, cytosine

4 NITROGENATED BASE SUGAR (RIBOSE) PHOSPHATE GROUP NUCLEOTIDE

5 A GUANINE GENERAL STRUCTURE OF A NEUCLOTIDE

6

7 Title RIBOSE

8 Title

9

10

11

12 DEOXYRIBOSE

13 - - TIMINA GUANINA P PP -

14 DNA structure Two parallel strands of nucleotides twisted into a double helix Adenine -- Thymine Guanine -- Cytosine linked by hydrogen bonds

15

16 COMPLEMENTARY BASES THYMINE ADENINE GUANINECITOSINE DNA THE NITROGENATED BASES UNITE BY HYDROGEN BONDS

17 DNA Structure A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-

18 A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G- -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C

19 DNA DUPLICATION NUCLEUS

20 DUPLICATION THE DNA UNWINDS EACH PARENT STRAND IS CONSERVED A NEW COMPLEMENTARY STRAND IS ASSEMBLED adenine always pairs with thymine guanine always pairs with cytosine

21 DNA Duplication A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G- -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C

22 DNA Duplication A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G- -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C THE DNA UNWINDS

23 DNA Duplication A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G- -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C THE DNA UNWINDS Each nucleotide templates the complementary one of the new strain. THE DNA UNWINDS Each nucleotide templates the complementary one of the new strain. -T -A -C -G -T -A -C -G

24 DNA Duplication A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G- -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C THE DNA UNWINDS Each nucleotide templates the complementary new strain. THE DNA UNWINDS Each nucleotide templates the complementary new strain. -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C

25 DNA Duplication A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G- -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C THE DNA UNWINDS Each nucleotide templates the complementary new strain. EACH PARENT STRAND IS CONSERVED A NEW COMPLEMENTARY STRAND IS ASSEMBLED adenine always pairs with thymine guanine always pairs with cytosine THE DNA UNWINDS Each nucleotide templates the complementary new strain. EACH PARENT STRAND IS CONSERVED A NEW COMPLEMENTARY STRAND IS ASSEMBLED adenine always pairs with thymine guanine always pairs with cytosine -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C -T -A -C -G -A -C -T -A -C -G -C -T -G -T -C A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-A-T-G-C-T-G-A-T-G-C-G-A-C-A-G-

26 RNA

27 DNA WATSON AND CRICK DOUBLE HELIX 1953

28 CELLULAR CONTROLS ACID NUCLETIC STRUCTURE DNA RNA DOUBLE chains in all the cells SIMPLE chain in all the cells CELLULAR CONTROL GIVES THE MESSAGES EXPRESION OF THE GENETIC INFORMATION (PROTEIN SYNTHESIS)

29 NUCLEIC ACIDS STRUCTURES DNA RNA DOUBLE HELIX SINGLE HELIX store hereditary info protein synthesis Deoxyribose, Thymine Ribose, Uracil TRANSCRIPTION TRANSLATION proteins

30 DNA DUPLICATION RNA TRANSCRIPTION NUCLEUS

31 A C A T C G T A A G C T C C T G T A G C A TT C G A G G TRANSCRIPTION

32 A C A T C G T A A G C A C C G G T G C TT A C G A T G T C G

33 A C C C T C GT A A G C A G G T G C T TAC G A T G T G C U UAC G A RNA

34 DNA DUPLICATION RNA TRANSCRIPTION PROTEINS TRANSLATION NUCLEUS RIBOSOMES

35 TRANSCRIPTION TRANSLATION PROTEIN SYNTHESIS

36

37 TYPES OF RNA

38 TRANSLATION METALA PHE GLY THR mRNA AMINOACIDSGUU GCACCA GAA GGCUUUGCUAAC

39 PROTEIN SEQUENCE OF AMINOACIDS

40 RNA DNA PROTEIN REPLICATION TRANSCRIPTION TRANSLATION


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