AEBI 120 Lecture Notes - Amine, Cell Nucleus, Nicotinamide Adenine Dinucleotide

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September 9th, 2011
Biological Molecules
Proteins
-Makes up 50% of the human body’s dry weight
-Made up of amino acids (containing C, H, N, O and sometimes S)
-Have a central C, a side group, a carboxilic acid (COOH) and an amino
group (NH2)
-Essential amino acids are necessary to live but must be acquired through
the diet
-Amino acids are joined together in condensation reactions, creating a
peptide/amide bond
Fibrous
-insoluble
Globular
-water soluble
-mostly enzymes
Protein Structure
Nucleic Acid
-Are enzymes
-Monomers are nucleotides or nitrogen bases
-Purines have 2 rings (adenine, guanine)
-Pyramidines have 1 ring (thymine, cytosine, uracil)
-Deoxyribose and ribose are pentose sugars found in DNA and RNA
Energy nucleotides
Are used as an exchange of energy in the metabolism
ATP- adenosine triphosphate
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