1 of 30 What product of transcription serves as the code

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1 of 30 What product of transcription serves as the code for synthesizing new proteins through the process of translation? A new strand of DNA rRNA tRNA mRNA None of the above 2 of 30 An enzyme produced in response to the presence of a substrate is called ________. an inducible enzyme a repressible enzyme a restriction enzyme an operator a promoter 3 of 30 Transformation is the transfer of DNA from a donor to a recipient cell ________. by a bacteriophage as naked DNA in solution by cell-to-cell contact by crossing over by sexual reproduction 4 of 30 Genetic change in bacteria can be brought about by ________. mutation conjugation transduction transformation All of the above 5 of 30 Which of the following is not true of a bacterium that is R+? R+ refers to the possession of a plasmid. R+ can be transferred to a recipient cell. It is resistant to certain drugs and heavy metals. It is F+. None of the above 6 of 30 According to the operon model for the synthesis of an inducible enzyme to occur the ________. end-product must not be in excess substrate must bind to the enzyme substrate must bind to the repressor repressor must bind to the operator repressor must not be synthesized 7 of 30 Synthesis of a repressible enzyme is stopped by ________. the allosteric transition the substrate binding to the repressor the corepressor binding to the operator the corepressor-repressor binding to the operator the end-product binding to the promoter Figure 8.2 8 of 30 In Figure 8.2 if base 4 is thymine what is base 4′? Adenine Thymine Cytosine Guanine Uracil 9 of 30 In Figure 8.2 if base 4 is thymine what is base 11′? Adenine Thymine Cytosine Guanine Uracil 10 of 30 In Figure 8.2 shows a figure of an unwound segment of DNA being replicated base 2 is attached to _________. ribose phosphate deoxyribose thymine Can’t tell 11 of 30 The reaction catalyzed by reverse transcriptase is ________. DNA mRNA mRNA cDNA mRNA protein DNA DNA None 12 of 30 Subunit vaccines can be made by genetic engineering of yeast cells. A side effect of this kind of vaccination might be ________. the disease a yeast infection due to extraneous material that the vaccine doesn’t provide immunity None of the above 13 of 30 E. coli can make insulin because ________. it needs to regulate its cell-glucose level it’s an ancient gene that now has no function the insulin gene was inserted into it it picked up the insulin gene from another cell No reason; it doesn’t make insulin. 14 of 30 The value of cDNA in genetic engineering is that ________. it lacks exons it lacks introns it’s really RNA None of the above 15 of 30 Which enzyme does not make sticky ends? Enzyme Recognition BamHI GGATCC CCTAGG Enzyme Recognition EcoRI GAATTC CTTAAG Enzyme Recognition HaeIII GGCC CCGG Enzyme Recognition HindIII AAGCTT TTCGAA Enzyme Recognition PstI CTGCG GACGTC 16 of 30 Which enzyme would cut this strand of DNA: GCATGGATCCCAATGC? Enzyme Recognition BamHI GGATCC CCCTAGG Enzyme Recognition EcoRI GAATTC CTTAAG Enzyme Recognition HaeIII GGCC CCGG Enzyme Recognition HindIII AAGCTT TTCGAA Enzyme Recognition PstI CTGCG GACGTC 17 of 30 An example of gene therapy is ________. insertion of the insulin gene in E. coli. insertion of the insulin gene in a mammalian cell culture insertion of the insulin gene in a diabetic person’s pancreas cells injection of insulin into a diabetic person None of the above 18 of 30 Humans use __________ to select desirable breeds of animals or strains of plants to cultivate. replica plating mutation artificial selection natural selection All of the above 19 of 30 A restriction fragment is ________. a gene a segment of DNA a segment of RNA None of the above 20 of 30 Which of the following can be used to make recombinant DNA? protoplast fusion Tungsten bullets microinjection Transformation All of the above 21 of 30 What do you typically call segments of DNA? Chromosome Genome Genes Fragments 22 of 30 When DNA becomes mRNA what has happened? An organism has died Translation Transcription Ligation 23 of 30 What is the purpose of the Ames test? To test for AIDS To screen mutagens suspected of causing cancer in humans To diagnose cancer To see if DNA has been destroyed 24 of 30 What is typically the final step in genetic engineering? Plasmid is formed Vector is selected DNA is copied Genes or proteins are harvested 25 of 30 How many properties of vectors are there? 3 2 1 4 26 of 30 What do you call the science of determining what all of the proteins are expressed in a cell? Genomics Southern blotting Proteomics Orthocloning 27 of 30 Which of the following groups of microorganisms has the rRNA loop present Archaea Eukarya Bacteria Viruses 28 of 30 Which of the following is a Class? Eukarya Proteobacteria Carnivore Mammalia 29 of 30 Why are the use of gram staining and acid fast staining used in a clinical setting? They are expensive They are slow They are quick and provide a good starting point for testing and information They conclusively identify your organism 30 of 30 What technique is used to identify bacteria in a sample without culturing the bacteria? Fatty acid profiling Flow Cytometry Phage Typing Serology

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