BIO 111 Lecture Notes - Lecture 5: Dehydration Reaction, Peptide Bond, Amine

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21 Sep 2016
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Unsaturated has 1 or more double bonds. Unsaturated tend to be liquid at room temp. Saturated tend to be solid at room temp. 1g of fat stores twice as much energy as 1g of glycogen or starch. Need energy to take up less room. Glycerol, a phosphate group, 2 fatty acids. Loses some hydrogen and oxygen forms water. Free amino group on one end and free carboxyl group on the other end. Complex 3d shape of a single polypeptide. Nucleotide base (double ring of c and n atoms) 2 purines- adenine (a) and guanine (g) 3 pyrimidines- cytosine(c), thymine(t), and uracil (u) T is in dna, u is in rna. Hydrogen bonds hold the double helix together. Cells are the smallest unit of life. New cells come from other cells (division) Large cell has a smaller surface area per volume of cell. Small cell has a larger surface area per volume of cell.

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