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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DNA WATSON AND CRICK DOUBLE HELIX 1953

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

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

NITROGENATED BASE SUGAR (RIBOSE) PHOSPHATE GROUP NUCLEOTIDE

A GUANINE GENERAL STRUCTURE OF A NEUCLOTIDE

Title RIBOSE

Title

DEOXYRIBOSE

- - TIMINA GUANINA P PP -

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

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

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-

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

DNA DUPLICATION NUCLEUS

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

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

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

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

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

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-

RNA

DNA WATSON AND CRICK DOUBLE HELIX 1953

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)

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

DNA DUPLICATION RNA TRANSCRIPTION NUCLEUS

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

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

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

DNA DUPLICATION RNA TRANSCRIPTION PROTEINS TRANSLATION NUCLEUS RIBOSOMES

TRANSCRIPTION TRANSLATION PROTEIN SYNTHESIS

TYPES OF RNA

TRANSLATION METALA PHE GLY THR mRNA AMINOACIDSGUU GCACCA GAA GGCUUUGCUAAC

PROTEIN SEQUENCE OF AMINOACIDS

RNA DNA PROTEIN REPLICATION TRANSCRIPTION TRANSLATION