BIOL 112 Lecture Notes - Lecture 3: Glycosidic Bond, Phosphodiester Bond, Hydrogen Atom

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3 Oct 2014
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BIOL 112 Full Course Notes
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BIOL 112 Full Course Notes
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Biol 112 biology of the cell lecture 3: As the volume of cell increases, the ratio of surface area/volume ratio decreases, meaning cell may not obtain as much materials transferred across the membrane as they need. It is more ideal if macromolecules only have to travel a small distance. The solute concentration of cell"s internal environment decreases/increases as a cell expands/contracts. The four types of macromolecules, and their monomers plus their bonds. Amino group o o o o o o o. Side chain (determines the identity of amino acid) Amino group of one acid and carbonyl group of another join by peptide bond. Dehydration process (taking out of one hydrogen atom) Five carbon ring with a base and a phosphate group. Phosphate group in one acid links with the oh group of another. This structure can easily link to a large sequence, which makes dna (deoxyribonucleic acid) ideal for storing genetic information o o.

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