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Ch. 3 DNA and Molecular Genetics Flashcards

Mader Ch. 3

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563462649Biotechnologyusing natural biological systems to create a product or to achieve an end desired by humans0
563462650Codonthree-base sequence in mRNA that directs ribosome to insert a specific amino acid into the polypeptide chain1
563462651DNAgenetic material of almost all organisms2
563462652DNA fingerprintingUsing DNA fragment lengths, resulting from restriction enzyme cleavage, to identify individuals3
563462653Gene therapycorrection of a detrimental mutation by adding normal DNA and inserting it into a genome4
563462654Genetic engineeringaltering DNA in bacteria, viruses, plants and animal cells through recombinant DNA technology5
563462655Genetic mutationA heritable change in nucleotide sequence (altered gene whose sequence of bases differs from the previous sequence)6
563462656Genomefull set of genetic information within an organism or virus7
563462657mRNAtype of RNA that takes information from DNA to the ribosomes to direct protein synthesis8
563462658PCRMethod used to make many many copies (to amplify) a specific DNA sequence9
563462659Recombinant DNAcontains DNA from 2 or more different sources10
563462660rRNAtype of RNA that combines with proteins to make ribosomes11
563462661TranscriptionProcess where a DNA strand serves as a template for the formation of RNA12
563462662tRNAtype of RNA that brings amino acids to the ribosome has an anticodon at one end that binds to the codon in mRNA13
563462663translationprocess whereby ribosomes use the sequence of codons in the mRNA to produce a polypeptide14
563492145DNA (3 functions)What cells replicate to be passed on to the next generation Stores information Undergoes mutations to provide genetic diversity15
563492146TwoNumber of strands in a typical DNA molecule16
563492147OneNumber of strands in a typical RNA molecule17
563492148the 3 types of RNAmessenger (m), ribosomal (r), and transfer (t)18
563492149transcriptionthe process that makes a complementary RNA copy of our genes/DNA19
563492150Amino acidsWhat proteins are made out of20
563492151ProteinsImportant molecules of the cell that perform metabolic reactions, mitosis, motility and more21
563492152Translation/Protein SynthesisRibosomes read mRNA and tRNAs bring correct amino acids in so proteins can be synthesized.22
563492153xeroderma pigmentosum-autosomal recessive disorder -individuals are deficient in enzyme(s) needed to repair mutations from UV light -eventually leads to skin cell cancers23
563492154achondroplasia-autosomal dominant disorder -caused by a single mutation -most common cause of short stature24
563492155products made by genetic engineeringInsulin, human growth hormone, clotting factor, TPA, HepB vaccine25
563492156bases found in DNAA, T, C and G26
563492157NucleusWhere DNA is found in the cell27
563501976Structure of DNADouble-helix28
563501977bases found in RNAA, U, C and G29
563501978nucleus and cytoplasmwhere RNA can be found in the cell30
563501979CG (AU would be found in RNA but not in DNA)Which of these would be a base-pair found in DNA? A. AU B. AG C. CG D. TU31
563507831DNA RNA TranscriptionMolecule on the left is _________. Molecule on the right is _________. Process is called ______________________.32
563513563tRNA anticodon one amino acidMolecule is a/an __________. Three bases at bottom are the _____________. Blue circle on top represents a/an _____________.33
563518626DNA is NOT involved in translationWhich of these is NOT involved in translation? A. RNA B. DNA C. Ribosomes D. tRNA34
563518627NucleusTranscription occurs in the: A. Nucleus B. Cytoplasm C. Ribosomes D. All of the above are correct35
563521673A. Hemophilia is X-linkedWhich of these is an X-linked disorder? A. Hemophilia B. Down Syndrome C. Marfan Syndrome D. Huntington Disease E. Cystic Fibrosis36
563521674E. Cystic Fibrosis is autosomal recessiveWhich of these is an autosomal recessive disorder? A. Hemophilia B. Down Syndrome C. Marfan Syndrome D. Huntington Disease E. Cystic Fibrosis37
563521675D. Huntington DiseaseWhich of the following is an autosomal dominant disorder? A. Hemophilia B. Down Syndrome C. Marfan Syndrome D. Huntington Disease E. Cystic Fibrosis38
563524564DNA double helix39
563524565MutationsMistakes in DNA replication can result in sequence changes called _____________________ .40

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