BIO 102: Exam 3 study guide
BIO 102: Exam 3 study guide BIO102
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Popular in Biology
This 5 page Study Guide was uploaded by Danielle Kelly on Saturday April 11, 2015. The Study Guide belongs to BIO102 at Washington State University taught by Dr. Strofer in Spring2015. Since its upload, it has received 468 views. For similar materials see Biology 102 in Biology at Washington State University.
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Date Created: 04/11/15
Lecture topics dates 311 What is DNA 323 Protein synthesis 325 Mutations gene regulation 327 Cloning stem cells 330 Forensic genetics 41 Genetic engineering ethics 43 Personalized medicine genomics 46 Ebola 48 Plants photosynthesis Terms Deoxyribonucleic acid Ribonucleic acid Nucleotide DNA polymerase lntron Exon CodonanUcodon Plasmid Messenger RNA Transfer RNA Ribosomal RNA lnitiationelongationtermination for transcription and translation Mutations inversions translocations deletions insertions substitutions Frameshift mutation Silent mutation Pluripotent Polymerase chain reaction VNTR loci homozygoteheterozygote GMO Restriction enzyme Transgenic Karyotype Carrier screening Triple screen Amniocentesis Gene chip SNP Pharmacogenomics Dendritic cell Cytokine storm Autotroph Gymnosperm Angiosperm Bryophyte Phloem Xylem Stomata Chloroplast Concepts Rule of base pairing DNA replication mRNA splicing genetic code codons Transcription Translation Protein synthesis Mutations types of mutations How mutations affect protein structure Mutation balance Cloning somatic cell nuclear transfer Cloning gene cloning DNA repair Gene regulation Gene expression Stem cells CSI effect PCR Allele frequencies Probability of accidental match Gel electrophoresis Genetic engineering Recombinant DNA technology Gene therapy Personalized medicine Genetic screening Genomewide association study Relative risk ratio Pros and cons of genetic screening Ebola how it works why so deadly Ebola treatment Ebola outbreaks Photosynthesis Practice questions 1 After DNA replication each new double helix consists of a two old strands b 25 of the old double helix and 75 new DNA c two new strands d two new strands while the old double helix has two old strands 2 If guanine makes up 30 of the bases in a DNA double helix what percentage are adenine a 80 b 60 c 40 e 30 3 If the DNA sequence is TCG what is the sequence of the tRNA anticodon 4 During mRNA editing or splicing b exons are spliced out and introns are quotgluedquot together c RNA polymerase corrects any errors during translation d RNA polymerase corrects any errors during transcription e DNA polymerase corrects errors during transcription 5 A mutation that changes a codon that codes for an amino acid to a stop codon in the middle of an exon would a result in a amino acid protein that is always one amino acid shorter c result in an amino acid substitution d alter location in which transcription of the next gene begins e result in a nucleotide substitution 6 Stem cells also called quotpluripotentquot or totipotent cells are promising for medical research because they b make quotstemsquot that can be used to ght off diseases in general c are used to vaccinate humans against speci c diseases such as small pox d can be cloned into viruses for gene therapy e can be directly injected into humans for gene therapy 7 For stem cell research at which stage is an embryo quotharvestedquot for culture of stem cells a Totipotent c Zygote d 16 cell stage e Somatic ce stage 8 The correct sequence for events of transcription is a splicing capping tailing c tailing capping splicing d capping tailing splicing e elongation initiation termination 9 How would one get a plant to genetically express Bt toxin in its leaves a toxic compound produced in the bacterial species Bacillus thuringensis a clone the Bttoxin producing gene into a vector such as a plasmid and infect plant cells with a Bacterium containing the plasmid b spray the plant with Bt toxin c breed the plant with the bacterium d irradiate the plant to express mutations and choose the plant that is most like the BacteriumBt 10 How do plants affect gases in the air a when they respire C02 is released into the atmosphere c when they respire methane is released d they contribute signi cant amounts of nitrogen gas to the environment e none of the above 11 The triplet codon genetic code b has strict onetoone correspondence between each triplet and one amino acid c is unique to eukaryotic cells d is unique to prokaryotic cells e is unique to mammalian cells 12 DNA replication differs from DNA transcription in which of the following ways a In replication the entire length of the DNA molecule is copied in transcription only the gene is copied b In replication the result is two new doublestranded DNA molecules in transcription the result is a single strand of mRNAI c In replication the base U is substituted for T in transcription T is used e Choices a b and c are all correct 3 The type of RNA responsible for delivering amino acids to the protein chain and matching them to the proper codon is a mRNA messenger RNA b rRNA ribosomal RNA d nRNA nuclear RNA e eRNA endoplasmic RNA 14 The pigment molecules responsible for absorbing light for photosynthesis are located in the a Mitochondria b Cytoplasm of the cell d Xylem e Plant cell wall 15 DNA repair is crucial because if an organism cannot repair DNA a the organism will be unable to reproduce c the organism39s offspring will have a genetic disorder d viral DNA will take over the organism39s cells e both a and c are true 16 Which of the following is true of genetically engineered bacteria today a Some are used to produce human growth hormone b Some are used to produce insulin c Some are used to produce vaccines d Some are used to break down environmental contaminants 17 A new eld of personalized medicine where doctors can tailor prescriptions to your individual genetic makeup is called b PharmacoDNA c Personal Genomics d Personal Pharmaceuticals e Genomopharma 18 is a method of determining your risk level for getting a genetic disease a Gene therapy c DNA cloning d Therapeutic cloning e Recombinant DNA technology 9 When one base is changed to another at a single position in the DNA sequence of a gene an mutation has occurred a Insertion b Deletion c Frameshift e A of the above 20 Plasmids are used to a kill weeds b in place of pesticides for insect control c induce arti cially fertilized eggs to divide e clone whole organisms
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