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Biochemistry Flashcards

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5948884038mass of one proton1 "gram" (actually 9.11 x 10 to the -28 power grams)0
5948894602mass of one neutron1 "gram" (actually 9.11 x 10 to the -28 power grams)1
5948897825mass of one electron"0"2
5948913955how many protons/neutrons in one mole?6.02 x 10 to the 23 power (not that you have to know that...)3
5948920542charge of protonpositive4
5948922871charge of neutronneutral5
5948922872charge of electronnegative6
5948924907location of protonnucleus7
5948924908location of neutronnucleus8
5948926904location of electronoutside nucleus9
5948929694atomic numberthe number found in the upper right corner of an element's label; gives the number of protons ( = electrons if the atom is neutral)10
5948935092atomic massthe number found in the bottom of an element's label; gives the number of protons and neutrons combined11
5948951856ionic bondstransfer of electrons to form a bond (strong); one atom gives an electron to another, so the original is now positive and the 2nd one is negative; opposites attract, so they join12
5948956059covalent bondssharing electrons to form a bond (strong)13
5948963849what is a bond made up of?2 electrons14
5948968382polar covalent bonduneven sharing of electrons to form an unbalanced charge (e.g. water)15
5949073470ATPEnergy!!!16
5948995070what are the 3 functional groups of organic compounds?-hydroxyl -carboxyl acid -amino17
5949061453what is an organic compound-any carbon-based compound -functional group contains a carbon chain (3 carbons long) which is saturated with H, plus other elements attached18
5949052962hydroxyl-found in carbs like sugar and starch -R - *OH* -functional group is OH19
5949088939carboxyl acid-found in fats (lipids) and amino acids -functional group is a carbon attached with a double bond and O above, and OH to the right20
5949099062amino-an organic (carbon-based) compound -found in amino acids -functional group is an N attached which splits into 2 H21
5949159447carbohydrates are composed of ___ and ___sugars and starch22
5949159448monosaccharide-"one sugar" -simple sugar23
59491677333 monosaccharide types-glucose (blood sugar- most common) -fructose (chocolate) -galactose24
5949169561monosaccharide formulaC6 H12 O625
5949211204disaccharide-"2 sugar" -when 2 monos combine26
59492148163 disaccharides-sucrose (table sugar) -maltose (malt) -lactose (milk)27
5949224570makeup of sucroseglucose + fructose28
5949226836makeup of maltoseglucose + glucose29
5949230317makeup of lactoseglucose + galactose30
5949233264how do we digest disaccharides?we add H2O to each bond, which breaks them apart so we can digest the 2 monos31
5949239801polysaccharides-3 or more monosaccharides -provide an energy source and structural support32
59492448392 examples of polysaccharide in plants-starch (hundreds of glucose molecules combined; provides energy) -cellulose (fiber; hundreds of glucose molecules bonded together, but differently than starch; provides structure of cell walls [indigestible to humans])33
5949268526what's the enzyme that breaks the bonds of starch?amylase34
59563746012 examples of polysaccharides in animals-glycogen to store energy in liver and muscle cells -chitin is found in the exoskeleton of arthropods and provides strength and protection (structure)35
5956403811lipids-animal body fat -can be used as a source of energy36
5956407198formation of a lipid molecule (fat)-triglyceride37
5956413555triglyceride3 fatty acids combine with a 3-carbon alcohol glycerol38
5956449428fat-triglyceride that is solid at room temp -made up of saturated fatty acids -saturated with hydrogen39
5959312976examples of fat (saturated)animals like pigs, cows, deer, etc40
5959316724oil-triglyceride that is liquid at room temp -made up of *un*saturated fatty acids41
5959324519examples of oil (unsaturated fatty acids)plants, fish, and fowl42
5959344408___ is converted to ___ in the process of hydrogenating unsaturated fatscis fat and trans fat43
5959360810process of hydrogenating unsaturated fats-*heat* -cis fat is the original fat found in plants; missing 2 H -heat flips one of the Hydrogens to form trans fat44
5959384813which is less healthy, trans fat or cis fat? why?trans fat is less healthy. it's linked with plaque build up in blood and the hardening of arteries, which leads to heart attacks or strokes45
5959411182LDL-low density lipoprotein -carries cholesterol to the cell -bad connotation--increases heart disease46
5959433934HDL-high density lipoprotein -carries cholesterol to liver for excretion47
5959465673___ increases the ratio of LDL to HDLsaturated fat -this is bad because LDLs are less healthy (heart problems)48
5959462280function of a protein-supply building blocks to synthesize new body parts, like skin -provide cellular energy if there are no carbs or lipids present49
5959491565how many amino acid types are there?2050
5959493597what bond joins 2 amino acids?peptide bond51
5959496191what element is taken out when 2 amino acids join?H2O52
5959499061what does "R" stand for?a carbon chain (variable)53
5959502250what are enzymes made up ofprotein54
5959502252catalyst-a compound that will increase the rate of a chemical reaction, without being consumed -it's reusable55
5959506314enzyme-a type of catalyst -we make them- found in our bodies -lowers activation energy56
5959514024suffix indicating an enzyme-ase -e.g. amylase, catalase, protease57
5959516168activation energythe minimum energy required to start a particular chemical reaction58

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