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Chapter 4 NUCLEIC ACIDS AND THE RNA WORLD

Chapter 4 NUCLEIC ACIDS AND THE RNA WORLD - ANDTHERNAWORLD...

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Chapter 4  NUCLEIC ACIDS  AND THE RNA WORLD Was a nucleic acid the first living  material?
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Summary Were nucleic acids the first living entity? What are nucleic acids? 2 types Structure History Functions Related compounds
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Criteria for Life Cellular organization Sensitivity Growth Development Reproduction Regulation Homeostasis
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Criteria For Life Nucleic acids give living organisms a mechanism  for reproduction. Nucleic acids include: DNA – deoxyribonucleic acid RNA – ribonucleic acid
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What are nucleic acids? Polymers consisting of nucleotides , the subunits  or monomers. Nucleotides, fig 4.1 5 carbon sugar , ribose in RNA and deoxyribose in  DNA. Phosphate  group Nitrogenous  (nitrogen-containing) base .
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What are nucleic acids? Nitrogenous bases Pyrimidines : Purines :
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How are nucleotides joined together?
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