Test your basic knowledge |

Genetic Engineering Biotechnology

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Incorportates air into the dough






2. Derived from sugar cane juice - is a primary alcoholic product of the caribbean islands - can be purchased in several different concentrations






3. Lactobacillus Sanfrancisco






4. Recombinant DNA may enable __________ to determine the likelihood of a praticular genetic disease long before the appearance of symptoms associated with the disease;early detection may allow intervention before the occurrence of irreversible damage.






5. Pieces of DNA produced by endonucleases - when in the laboratory - endonucleases are used to cleave DNA at desired sites - allowing them to be seperated by Gel Electrophoresis by size - then allowing the nucleotide sequences to be isolated and ident






6. To detect presence of genes that increase risk of hereditary diseases and establish patterns of inheritance of the diseases; it can be used to establish paternity and maternity - genetic ancestry of domestic animals an genetic diversity of animals br






7. Genetic Engineering is based on the ability to manipulate DNA by using a variety of ___________;allow DNA to cut precisely determined points along each strand - to be separated according to size of fragments and to be sequenced to determine exact com






8. Are bacterial enzymes that recognize foreign DNA and are capable of breaking the bonds between adjacent nucleotides; each has a specific nucleotide sequence as its target






9. Plasmids and bacteriophages






10. Corn mash whiskey - is clear after distillation - the aging process while in an oak barrel for years - is responsible for the golden color and distinct taste of bourbon (or Jack Daniels Tennessee whiskey)






11. A good recombinant vector must be capable of carrying a significant fragment of DNA and readily accept it






12. Fast growth rate - ability to be grown in large quantities using ordinary culture methods - Nonpathogenic -Genome that is well- delineated (mapped) - capable of accepting plasmids or bacteriophage vectors - maintains foreign genes through multiple ge






13. Use of an organism's biochemical processes to produce a needed product - These processes have been greatly enhanced by use of recombinant DNA which allows organisms to be genetically modified to accomplish tasks that were previously not possible






14. Can be inserted into plants or animals to produce organisms that are better adapted to their environments - has been shown to cause improvements in crops by improving things such as drought resistance and has conveyed immunity to those consuming them






15. The ability to produce recombinant proteins in bacteria and yeasts reather than isolating protein from animals or humans






16. Caused by a lack of adequate Human Growth Hormone (HGH); once treated by harvesting HGH from the pituitary glands of human cadavers






17. Degree of uniqueness is directly proportional to the prevalence of particular markers in comparison population; use of multiple markers allow significant increase in actual uniqueness of profile established






18. Nucleotide sequences of DNA






19. Incompatible DNA of bacteriophages and plasmids






20. Gene therapy






21. Use recombinant DNA technology to synthesize products that cannot be manufactured by other methods - or cannot be manufactured as efficiently or effectively by other methods






22. Is essential in the process of clot dissolution associated with myocardial and cerebral infarctions






23. Can revert to anaerobic fermentation in the event they have exhausted their oxygen supply - creating lactic acid






24. Identification of the gene responsible for the defective or absent protein - identification - isolation - cloning of the normal gene and transfection into the cells of the individual with the disease.






25. Are recombinant organisms produced by insertion of recombinant DNA fragments






26. Inherent differences in ________ of DNA are used to identify humans - animals - and microbes;DNA analysis has revolutionized fields such as epidemiology and criminalistics; DNA technology is now common - place in forensic investigations






27. After the actual size of individual fragments are determined - the nucleotide sequence which has been isolated and identified - can be inserted into an acceptable cloning host through the process of transfection






28. Saccharomyctes cervisiae


29. Profile established by analysis of multiple markers provides unique characteristic of individual whose DNA is presented;






30. Involves removal of a selected gene from on organism (genetic donor) followed by its propagation in a different organism (cloning host)






31. Is a lab technique used to separate various sized restriction fragments






32. Fermented and distilled corn mash - the state of Kentucky holds the patent on the word bourbon in reference to corn mash whiskey. Jack Daniels - produced in Tennessee is bourbon but NOT CALLED bourbon due to this patent






33. Final product of recombinant DNA may be production of a particular protein such as _______ - human growth factor and certain clotting factors; recombinant DNA is transferred into bacteria - which can utilize routine protein synthesis mechanisms to pr






34. Gene therapy involves insertion of particular recombinant DNA sequences that encode for ___________; used increasingly to replace missing or mutated genes to correct inherited defects






35. Although the availability of HGH was limited at best - demand exceeding the opportunity of supply - the potential transmission of infectious agents such as the prion associated with Creutzfedt- Jacob disease was life threatening to the individual rec






36. A lack of an essential hormone causes the disease and treatment involves replacing the missing hormone






37. Derived from potatos is the most widely marketed and consumed alcoholic beverage






38. Almost 6000 yrs ago in wine and bread making - involves practical application of microorganisms in manufacturing products or carrying out a particular decomposition - most involve the actions of bacteria - molds - yeasts adn algae that have been sele






39. Was a 4 yr old girl - in 1990 suffering from severe immunodeficiency disease caused by lack of enzyme adenosine deaminase (ADA). Researchers at the National Institutes of Health - transfused her own blood cells that had been engineered to contain the






40. Forensic medicin; examples : fingerprints - hair - skin - fingernails - semen - blood or saliva






41. Insertion of particular recombinant DNA sequences that encode missing or dysfunctional proteins






42. Used in industry - agriculture - food sciences and environmental protection. Some utilize genetic engineering techniques to achieve a desired outcome or rely on natu4ral biochemical and metabolic activities of organisms






43. Many individuals recieving treatment for their Hemophilia A through blood transfusions contracted the HIV virus - through the donated plasma






44. Enzyme required for conversion of inactive protein plasminogen to its active form plasmin; is used to dissolve clots associated with myocardial and cerebral infarctions - availablity of tPA from human origin is limitied and not sufficient to meet the






45. The actual sequence of nucleotides that make up the DNA molecule; we have due to lab techniques in genetic engineering - the ability to creat a DNA fingerprint ( DNA type or DNA profile) that is unique identifying characteristic of an individual






46. Migration is due to attraction of opposite charges - smaller fragments move faster than larger ones - which allows the restriction fragments to be not just seperated but isolated and identified






47. Which encodes for a particular protein product into the genome of appropriate host organism transforms the host organism into a production plant for the protein that is the genetic expression of a particular sequence - then - by means of routine bioc






48. Limited availablity of the essential - missing or deficient hormone - which can be aided by pharmaceutical companies use of recombinant DNA technology.






49. Detecting variations in DNA sequence at same location in genome of different individuals;






50. Once the specific functional protein will be synthesized - the availbility of the protein will eliminate the disease condition