NucleicAcids_and_DNA-_FALL__2010

NucleicAcids_and_DNA-_FALL__2010 - October 5, 2010 Science...

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October 5, 2010 Science Headlines Nucleic Acids MSU 34 Wisconsin 24
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Threats to the world's plants assessed Nature September 28, 2010 More than 20% of the world's 380,000 plant species are at risk of extinction , making plants more threatened than birds, according to the first global analysis of the status of plant biodiversity. ……. . Habitat loss , resulting from the conversion of natural habitats for agriculture …, is the biggest threat to plants' survival, the study concludes. (TJJ: We’ll discuss this more later when we talk about world population and biodiversity.)
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Nucleic Acids I. The last of the four types of macromolecules! The other three? A. Polysaccharides – made up of sugars; includes starch, glycogen, cellulose and chitin B. Lipids (fats) – includes triglycerides, phospholipids, sterols and waxes C. Proteins – made up of amino acids; large and complex; involved in most reactions of life playing various roles as enzymes, messengers, hormones, transport molecules (like hema- D. Nucleic acids – made up of nucleotides
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II. Nucleotides – have two major roles A. Building blocks for genetic material, DNA and RNA B. Form ATP -- the “energy” molecule *** “ATP is to life what money is to shopping!!” ATP
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NucleicAcids_and_DNA-_FALL__2010 - October 5, 2010 Science...

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