Dna

Genetic material of cells… ,[object Object],[object Object],[object Object]

DNA Nucleotide O O=P-O O Phosphate Group N Nitrogenous base (A, G, C, or T) CH2 O C 1 C 4 C 3 C 2 5 Sugar (deoxyribose)

A HISTORY OF DNA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SEE p. 292-293

Watson & Crick proposed… ,[object Object],[object Object],[object Object],[object Object]

DNA Double Helix Nitrogenous Base (A,T,G or C) “ Rungs of ladder” “ Legs of ladder” Phosphate & Sugar Backbone

DNA Double Helix P P P O O O 1 2 3 4 5 5 3 3 5 P P P O O O 1 2 3 4 5 5 3 5 3 G C T A

Nitrogenous Bases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],T or C A or G

Chargaff’s Rule ,[object Object],[object Object],[object Object],G C T A

Genetic Diversity… ,[object Object]

The Code of Life… ,[object Object],[object Object]

DNA is wrapped tightly around histones and coiled tightly to form chromosomes See p. 297

DNA Replication ,[object Object],[object Object],[object Object],[object Object]

DNA Replication ,[object Object],[object Object],[object Object],Parental DNA DNA Template New DNA

[object Object],[object Object],[object Object],[object Object],[object Object],A--- ? G--- ? C--- ? T--- ? A--- ? G--- ? A--- ? G--- ? C--- ? A--- ? G--- ? T--- ? Replication Quiz

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A--- T G--- C C--- G T--- A A--- T G--- C A--- T G--- C C--- G A--- T G--- C T--- A Replication Quiz

(1961) Watson & Crick proposed… ,[object Object],[object Object],[object Object],[object Object],[object Object]

DNA Transcription ,[object Object],[object Object],See p.301

DNA Translation ,[object Object],See p.304-305 We will discuss details of this on a later date

Transcription/Translation Quiz ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

AMAZING DNA FACTS… ,[object Object],[object Object],[object Object]

LET’S REVIEW DNA… LM p.44 ,[object Object],[object Object],[object Object],[object Object]

Dna

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