Thursday, October 6, 2011

Blog 4: Macromolecules

5 things I learned about macromolecules are:
-There is 5; Carbohydrates, lipids, vitamins, proteins, and nucleic acids.
-Carbohydrates contain monosaccharides(glucose & fructose), disaccharides(sucrose), and polysaccharides(cellulose,starch,glycogen,keratan sulphate,and agarose).
-Lipids include: Fatty acids(saturated/unsaturated), triacylglycerols(result from glycerol molecule), phospholipids(2 fatty acids and 1 phosphate), steroids, and a lipid bilayer.
-Vitamins: example, vitamin A is a lipid, a terpene.
-Proteins include: Primary structure(amino acids and peptides), secondary structure(alpha helix and beta strand),tertiary structure(lysozyme), and quaternary structure(hemoglobin)
-Nucleic acids consist of:
Nitrogenous bases(ex: adenine)
Nucleosides(ex: adenine forms witg ribose the nucleoside adenosine)
Nucleotides
DNA(forms double helix from two strands of hydrogen bonds between nitrogenous bases)
RNA

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