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AP Biotechnology Flashcards

Campbell & Reece 8th ed. of AP Biology, 2011-2012

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5987110066recombinant DNA2 strands of DNA engineered to mesh together to make a new strand0
5987110067biotechnologymanipulation of organisms or their components to make useful products1
5987110068genetic engineeringthe direct manipulation of genes for practical purposes2
5987110069plasmidcircular DNA that replicates separately from the bacterial chromosome3
5987110070gene cloningmaking multiple copies of a single gene4
5987110071restriction enzymesthey snip sugar phosphate backbones to create "sticky ends"5
5987110072restriction sitethe specific cutting site of a plasmid6
5987110073restriction fragmenta DNA segment that results from the cutting of a restriction enzyme7
5987110074sticky endthe end off of a restriction fragment8
5987110075DNA ligaseglues restriction fragments together9
5987110076cloning vectorA gene carrier/plasmid that transfers DNA from a foreign cell or test tube to another cell10
5987110077genomic librarya complete set of plasmid-carrying cell clones, each carrying copies of a particular segment from the initial genome11
5987110078bacterial artificial chromosome (BAC)another type of vector; allows for easier replication/manipulation as the number of genes is reduced to a smaller size12
5987110079complementary DNA (cDNA)a complementary, single-stranded, DNA molecule to another mRNA or DNA; composed by mRNA via reverse transcriptase13
5987110080cDNA librarya collection of cDNAs14
5987110081nucleic acid hybridizationthe process of detecting a certain gene by adding a radioactive probe composed of complementary nucleotides15
5987110082nucleic acid probean artificially synthesized nucleotide complement used in nucleic acid hybridization16
5987110083expression vectorallows a cloned eukaryotic gene to function in a bacterial host; a cloning vector that contains a highly active bacterial promoter upstream of a restriction site where the eukaryotic gene can be inserted into the correct reading frame17
5987110084yeast artificial chromosome (YAC)essentials of a eukaryotic chromosome (DNA origin of replication, centromere, and 2 telomeres) inserted with foreign DNA to help a eukaryotic gene function18
5987110085electroporationthe act of sending an electric pulse to a cell in membrane saturated solution to allow DNA to enter19
5987110086polymerase chain reaction (PCR)the act of amplifying a target DNA sequence; consists of denaturation, cooling with primers, and the DNA pol adding of nucleotides20
5987110087gel electrophoresisthe process of separating nucleic acids/proteins based on size, electrical charge, and other physical properties21
5987110088southern blottinga process involving both gel electrophoresis and nucleic acid hybridization to detect a specific nucleotide sequence of a specific gene on DNA22
5987110089northern blottinga process involving both gel electrophoresis and nucleic acid hybridization to detect a specific nucleotide sequence of a specific gene on mRNA23
5987110090reverse transcriptase-polymerase chain reaction (RT-PCR)a process using cDNA, PCR, and gel electrophoresis to compare gene expression between samples24
5987110091in situ hybridizationusage of placing probes in an organism with fluorescent dyes to determine which tissues/cells are expressing certain genes25
5987110092DNA microarray assaya collection of many small, single-stranded DNA fragments in a glass slide that would ideally represent all genes of an organism26
5987110093in vitro mutagenesisthe process of determining the function of a gene by disabling it via mutation27
5987110094RNA interference (RNAi)a synthetic, double-stranded RNA acting as a sequence of a particular gene to block translation of a specific protein28
5987110095totipotentdescribes a cell that can dedifferentiate29
5987110096nuclear transplantationthe process of transplanting a nucleus from a differentiated cell into an unfertilized/fertilized egg30
5987110097pluripotentthe capability of differentiating into different cell types31
5987110098stem cellan unspecialized cell that can reproduce indefinitely and differentiate into specialized cells of one or more types32
5987110099single nucleotide polymorphism (SNP)where a single base pair site is varied33
5987110100restriction fragment length polymorphism (RFLP)an SNP that exists on the restriction site for a particular enzyme making it unrecognizable causing different restriction fragments to show during gel electrophoresis34
5987110101gene therapyintroducing genes into an afflicted individual for therapeutic purposes35
5987110102transgenican organism that has genes from another organism of the same or different species36
5987110103genetic profilean individual's set of unique genetic markers37
5987110104short tandem repeats (STRs)tandemly repeated 2-5 base sequences in specific regions of the genome38
5987110105Ti plasmida plasmid of tumor-inducing bacterium that integrates its T DNA into a chromosome of a host plant; used in genetic (plant) engineering)39
5987110106genetically modified (GM) organismsan organism that has artificially acquired one or more genes from another of the same or different species40

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