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BIO Final exam
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- 1What is the goal of Agriculture?to produce a lot of food as cheaply as possibly
- 2What are some problems farmer's face?pests, diseases, weeds drought, frost
- 3What is the goal of Forensic Science?to solve crimes or to identify individuals using biological evidence
- 4To produce a DNA profile scientists ______________.compare sequences in the genome that vary from person to person.
- 5DNA profiling can be determined if?if two samples of genetic material are from a particular individual
- 6DNA profiling has rapidly revolutionized the field of _____.Forensics
- 7DNA profiling can be used to test what?test the guilt of suspected criminals
- 8DNA profiling can be used to exonerate______.wrongly accused individuals
- 9DNA profiling can be used to identify_____.tissue samples of victims
- 10DNA profiling can be used to resolve______.paternity/maternity cases
- 11DNA profiling can be used to identify______ and ______contraband animal products and trace the evolutionary history of organisms.
- 12Who developed DNA fingerprinting? and when?Alec Jeffreys, 1980's
- 13What are the two disadvantages of Selective Breeding?It takes a longer time, and the gene pool is smaller.
- 14What is genetic engineering?manipulation of genes for a specific goal
- 15Genetic engineering involves the transfer of what?a gene from one species to another
- 16What are the two advantages of genetic engineering?it takes a shorter time and the gene pool is larger
- 17Modern Bio-Technology =_____?DNA technology
- 18What is the enzyme used in fireflies that was transferred into tobacco to make it glow?Luciferase
- 19Bioluminescent means what?Produces light
- 20What is a restriction enzyme?molecular scissors that cut DNA at specific sites or sequences (palindromes)
- 21What is a palindrome?reads the same forwards and backwards
- 22What is a plasmid?circular DNA molecules that carry the gene of interest;
- 23What produces a plasmid?Bacteria
- 24What is DNA ligase?an enzyme that joins two pieces of DNA to form a recombinant DNA (hybrid DNA), works like glue
- 25What is DNA ligase produced by?Bacteria and viruses
- 26What is Bio-Technology?any alteration of organisms, cells, or biomolecules to achieve specific pratical goals; such as making products that will benefit humanity
- 27Is Bio-technology new? Explain.NO, biotechnology has been used to produce wine, beer, and bread from yeast for the last 10,000 years.
- 28Restriction enzyme cuts DNA at _______ sequence.palindromic
- 29G CTTAA Finish the cut DNA sequenceAATTC
G - 30What are the four steps at the recognition site for a restriction enzyme?1. restriction enzyme cuts DNA
2. DNA fragment is added from another source
3.Fragments stick together by base pairing
4. DNA Ligase joins the fragments into strands - 31TPA stands for?Tissue Plasmagine Activator
(clot busting drug)
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- Bio Fichas sobre BIO Final exam, creado por kcklause28 el 15/05/2013.
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