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biochemistry Flashcards

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8205207795nucleic acids functionstores genetic information0
8205211707proteins function(many functions 10,000+) -speed up chemical reactions, structural support, communicate signals, control cell growth, transport within and between cells1
8205232447lipids functionenergy storage, provide a barrier (membrane)2
8205237481carbohydrates functionstore energy and provide support3
8205373037DNA structurenucleotides4
8205389191phospholipidsfound in cell membranes, helps form a barrier in cell membranes; Structure: has polar head and nonpolar tail5
8211795647hydrophobicnonpolar, strong aversion to water6
8211798545hydrophilicpolar, likes water7
8211830340proteins structure8
8211960064food examples of carbohydratesbread, potatoes, rice (starch)9
8211976628food examples of proteinsmilk, meat, cheese10
8211983078food examples of lipidseggs, butter11
8211998688food examples of nucleic acidfruits vegetables12
8249468398elements in carbohydratesC, H2O13
8249472324elements in lipidsC,H,O14
8249482248elements in proteinsC, H, O, N, S15
8249488992elements in nucleic acidC, H, O, N, P16
8249615815monomer(building block) (for carbohydrates)mono-sacchroid ------- ----------- ----ex. glucose 1 ---------- sugar17
8249741211polymer (for carbohydrates)poly-sacchroid ------- ----------- ex. starch many sugar18
8249771918example of carbohydrates19
8249780897dehydration synthesisprocess of combing 2 monomers by removing H2O20
8249799089monomer (for lipids)fatty acid21
8249822639polymer (for lipids)example: triglyeride , phorpholid22
8249852475example of lipid23
8249870384example of phospholipid24
8249874956steroid example25
8249885523monomer (for proteins)amino acids (20)26
8249893243polymer (for proteins)polypeptide27
8249900768example of proteins28
8249921472different protein structuresprimary: (amino aid chain connected with peptide bond. o-o-o-o-o-o (polypeptide chain) secondary: polling creating alpha helix and better sheet w/ hydrogen bonds tertiary: helix and sheets interact quaternary: interaction of multiple folded polypeptides29
8249985725monomer (for nucleic acid)nucleotides30
8249994485polymer (for nucleic acid)DNA, RNA (Deoxyribonucleic Acid) (Ribonucleic Acid)31
8250013850example of nucleic acid32
8250033401DNA basesdouble helix, bases are connected by hydrogen bonds33
8250048209RNA basessingle chain34
8250095747hydrolysisa chemical reaction or process where a chemical compound reacts with water. This is the type of reaction that is used to break down polymers into many smaller units.35
8250193863polymera molecule, made from joining together many small molecules called monomers36
8250208539disaccarideis the sugar formed when two monosaccharides (simple sugars) are joined by glycosidic linkage.37
8250239713amino acidsthese are the building blocks of proteins38
8250332013peptide bondsa covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another, with the removal of a molecule of water.39
8250354470polypeptidea string of amino acids linked together40
8250420981fatty Acidany of the saturated or unsaturated organic acids41
8250553907saturatedbeing a solution that is unable to absorb or dissolve any more of a solute at a given temperature and pressure.42
8250553908unsaturatedhaving carbon-carbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms for the number of carbons.43
8250559123nitrogenous basesis simply a nitrogen-containing molecule that has the same chemical properties as a base.44
8250559124nucleotidesa compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.45

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