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35 Cards in this Set
- Front
- Back
Lipids
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Compounds that are not soluble in water but are soluble in a nonpolar solvent
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Waxes
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Compounds made when a long chain fatty acid reacts with a long chain alcohol; they are solid at room temperature
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Fatty acid
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Compounds that contain long chain carboxylic acid and a long-chain alcohol
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Triglycerides
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Compounds that are made by combining a glycerol molecule with three fatty acid molecules
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Fats
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Compounds that are semisolid at room temperature and mountain fatty acides whose carbon chains contain only carbon—carbon single bonds
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Oils
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Compounds that are liquid at room temperature and contain fatty acids whose carbon chains contain one or more carbon—carbon double bonds
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Saturated fat
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Compounds of lipid molecules that have only single carbon-carbon bonds
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Unsaturated fat
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Compounds of lipid molecules that have more than one double-double bonds
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Locard’s exchange principle
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principle holds that the perpetrator of a crime will bring something into the crime scene and leave with something from it, and that both can be used as forensic evidence
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Primary transfer
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The direct transfer of trace evidence from one object to another
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Secondary transfer
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evidence transferred to other objects during subsequent contacts
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Carbohydrates
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Hydrates of carbon that have a carbon – hydrogen – oxygen ration of 1:2:1
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Monosaccharide
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Compounds consisting of small carbohydrate molecules; simple sugars
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Disaccharide
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Compounds that contain two carbohydrate molecules bonded together
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Sugar
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Any of the monosaccharaides or disaccharaides
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Polymer
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A long chained molecule made up of linked smaller molecules called monomers
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Monomer
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A molecule that can be chemically bound as a unit of a polymer
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Cellulose
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A polysaccharide of glucose that is the structural material of cell walls in plants
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Dietary fiber
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Indigestible cellulose from plant derived foods
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Starch
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A polysaccharide of glucose that serves as a source of energy for the body
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Protein
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Long polymers made up of individual amino acid monomers
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Amino acid
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Org comp containing at least one amino group and one carboxyl group
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Primary structure (of proteins)
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The sequence of amino acids in protein
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Secondary structure (of proteins)
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The shape of a protein based on the amino acid chain interaction
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Pleated sheet
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A type of secondary structure of proteins
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Alpha helix
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The secondary structure of a protein that resembles the shape of a spring
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Tertiary structure (of proteins)
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Overall 3D pattern of a protein
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Quaternary structure (of proteins)
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3D shape that occurs when 2 or more different protein molecules link together
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Disulfide bond
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Covalent linkage between the sulfhydryl group of two cysteine residues
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Hydrophobic interactions
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Attractions between large nonpolar functional groups on amino acids
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Deoxyribonucleic acid (DNA)
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The molecule responsible for transmitting all hereditary information from one geretation to the next
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Gene
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The entire DNA sequence necessary for production of a protein
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Chromosome
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The structural unit of genetic material consisting of a DNA molecule and associated proteins
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Short tandem repeat (STR) analysis
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A method of DNA analysis
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Mitochondrial DNA (mtDNA)
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DNA that is found in mitochondria rather than in the nucleus
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