Probable exam questions for Ch 19 Introduction to Genetics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Genetic engineering manipulates gene products at the level of: A.the Protein B Amino Acid C. DNA D. RNA | show 🗑
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| show | B. Recombinant DNA p. 376
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| In 1975, scientists convened in Asilomar California and did what? | show 🗑
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| Proteins isolated from bacteria that catalyze specific cleavage of DNA are: A. Restrictive enzymes B. Bacteriophage enzymes C. Plasmids | show 🗑
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| show | B. SITE SPECIFIC FOR EACH ENZYME
A natural function of enzymes is to protect bacteria by cutting DNA of infected viruses.-Methyl groups shield DNA from restriction enzymes.-Make sticky ends in DNA by cutting at specific sequences-GAATTC cut between G&A
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| show | A. Plasmid p.380
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| show | C. Insert their genetic material into bacteria
Bacteriophages can be vectors. They transport DNA but don't cause disease.....Virus that infect bacteria
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| show | TRUE Creating transgenetic organisms is possible because all life uses the same genetic code. p376
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| show | A. insulin Drugs are pure, human versions of protein, HGH, insulin, FSH and clotting factors. First great use-Drug invented was insulin in 1982. Humulin made by E. Coli, interferon B-1b.
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| A drug produced using recombinant DNA technology that is used illegally by atletes is: A. insulin B. Streptokinase C. TPA D. EPO | show 🗑
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| True or False? Every gene that is sequenced can be patented? | show 🗑
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| show | C. Transgeneic
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| show | C. liposomes p 385
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| Which of these use a tiny needle to inject DNA into cells (microinjection)? A. Electrophoresis B. Microinjection C. Particle bombardment | show 🗑
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| show | A. Introduce foreign DNA into a gamete or fertilized ovum.
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| show | E. ALL OF THESE p. 385-386 lists these
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| show | D. Ti Plasmid
Ti is a plant vector (tumor inducing) Plants, Ti causes tumor like growths. Ti mixed with bt can produce corn which makes its own pesticide. 2/3 all corn in the USA.
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| show | A. EVERY CELL
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| show | A. TRUE p. 386
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| show | B. Naked DNA
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| The Ti plasmid is used to genetically engineer: A. Bacteria B. Fungi C. Plants D. Animal | show 🗑
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| TRANSGENIC PHARMING involves using _______ to produce recombinant proteins in _____ | show 🗑
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| Bt toxin producing plants are resistant to: A. fungal pathogens B. Bacterial patholgens C. Herbicides D. Insect pests | show 🗑
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| show | B. SOMATIC
I THINK this is the manipulation of gene expression in cells that will affect the patient but they can't pass it to their children. It can alter DNA of a fertilized egg, It's nonheritable! Corrects only defective/broken cells
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| A bone marrow transplant is an example of: A. Germline (heritable) B. All heritable gene therapies C. Somatic gene therapy D. In Vitro fertilization | show 🗑
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| show | Transgenic plant or animals aka modified plants and animals!
Introduces genetic change into sperm/fertilized egg. It's heritable, Alters DNA of the fert. egg, Used to pre-treat embryo and used to treat germ cells.
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| Which cell type in the human body would not be a direct target for gene therapy? Can you guess why? A. Liver cells B. Red Blood Cells C. skin cells D Muscle cells | show 🗑
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| show | It is an abundant tissue with a rich blood supply. ( Good site for somatic gene therapy my guess)
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