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AP macromolecules Flashcards

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7318575198carbohydrates monomersmonosaccharides0
7327080343monosaccharides (2)simple 1 monomer sugars glucose1
7327093366disaccharides (2)2 monomers sucrose2
7327097223polysaccharides (3)polymers of sugars cost little energy to build easily reversible = release energy3
7327131422polysaccharides functions (6)energy storage -starch (plants) -glycogen (animals) (in livers and muscles) structure -cellulose (plants) -chitin (arthropods & fungi)4
7327153278cellulose (6)most abundant organic compound on Earth herbivores have an evolved a mechanism to digest cellulose -have bacteria that lives in their digestive systems & help digest cellulose-rich meals most carnivores have not evolved -thats why they eat meat to get their nutrient & energy cellulose = undigestible roughage5
7327101254dehydration synthesisa reaction in which water is removed to create a covalent bond or polymer from/between two monomers6
7327117924HydrolysisBreaking down complex molecules by the chemical addition of water7
7318656777carbohydrates elementsoxygen, hydrogen, carbon8
7318659353carbohydrates function (4)storage, structure, energy, raw materials9
7327051583carbohydrates examples (4)glucose, starch, cellulose, glycogen10
7327055596sugar (5)most names for sugar ends in -ose classified by number of carbons -6C=hexose (glucose) -5C=pentose (ribose) -3C=triose (glyceraldehyde)11
7318662727carbohydrates structureratio of 1:2:1 & 5 carbon ring12
7318622032protein monomers (2)amino acids 20 different amino acids13
7318681417protein polymers (5)polypeptides protein can be one or more polypeptide chains folded and bonded together large & complex molecules complex 3-D shape twisted, folded, coiled into unique shape14
7318666847protein elementscarbon, hydrogen, oxygen, nitrogen15
7318668120protein function (8)most structurally & functionally diverse group -enzymes (pepsin, DNA polymerase) -structure (keratin, collagen) -carries & transports (hemoglobin, aquaporin) -cell-communication signals (insulin & other hormones) receptors -defense (antibodies) -movement (actin & myosin) -storage ( bean seeds protein)16
7327309053protein denaturation (9)unfolding a protein conditions that disrupt H bonds, ionic bonds, disulfide bridges. -temperature -pH -salinity alter 2° & 3° structure -alter 3-D shape destroy functionality -some protein can return to their functional shape after denaturation, many cannot17
7327222882amino acids structure (2)amino acids consist of a central carbon atom, an amino group, carboxyl group(acid), and an R group (side chain). The R group is a separate side chain that determines the function for the amino acids.18
7327285859peptide bondsBonds between amino acids covalent bond between NH2 (amine) of one amino acid & COOH (carboxyl) of another C-N bond19
7327259488disulfide bridges (4)sulfur containing amino acids form disulfide bridges -covalent cross links between sulfhydryls -stabilizes 3-D structure covalent bonds that may further reinforce the shape of a protein20
7318738890lipids monomers (3)no true monomers dont form polymers either. big molecules made of smaller subunits not a continues chain21
7327436933lipids family groups (3)fats, phospholipids, steroids22
7318752613lipids elementscarbon, hydrogen, oxygen23
7318756573lipids structure (2)glycerol (3c alcohol + fatty acid) fatty acid = long HC "tail" with carboxyl (COOH) group "head"24
7327555802long HC chain (2)non-polar & hydrophobic25
7318767542lipids function (3)energy storage(2 times more than carbohydrates), cushions organ, insulates body26
7327563712saturated fats (6)all C bonded to H no C=C double bonds -long, straight chain -most animal fats -solid at room temperature -contributes to cardiovascular disease (atherosclerosis) = plague deposits27
7327582028unsaturated fats (5)C=C double bonds in the fatty acids -plants & fish fats -vegetable oils -liquid at room temperature -the kinks made by double C prevents the molecules from packing tightly together28
7327609285phospholipids structure (2)glycerol + 2 fatty acids + PO4(phosphate group) PO4 is negatively charged29
7327627642phospholipids in water (5)hydrophilic heads "attracted" H2O hydrophobic tails "hide" from H2O -can assemble into "bubbles" -bubbles = "micelle" -can also form a phospholipid bilayer30
7327769010steroids4 fused C rings + ?? different steroids created by attaching different functional groups to rings different structure creates different function ex) cholesterol, sex hormones31
7327781247cholesterol (4)important cell component animal cell membranes precursor(a substance from which another is formed, especially by metabolic reaction) of all other steroids -including vertebrates sex hormones -high levels in blood may contribute to cardiovascular disease32
7318794612nucleic acids monomernucleotides33
7327407353nucleotides structure (11)nitrogen base (C-N ring) pentose sugar (5C) -ribose in RNA -deoxyribose in DNA phosphate (PO4) group nitrogen base in DNA - adenine, guanine, cytosine, thymine double helix deoxyribonucleic acid nitrogen base in RNA -adenine, guanine, cytosine, uracil single helix ribonucleic acid34
7318794613nucleic acids elementshydrogen, oxygen, nitrogen, phosphorus35
7318797423nucleic acids functions (8)genetic material stores information -genes -blueprint for building proteins -DNA=> RNA => protein transfers information -blueprint for new cells -blueprint for next generation36

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