90296
Description
Flashcards by kcklause28, updated more than 1 year ago
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Created by kcklause28
over 12 years ago
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| Question | Answer |
| What is the goal of Agriculture? | to produce a lot of food as cheaply as possibly |
| What are some problems farmer's face? | pests, diseases, weeds drought, frost |
| What is the goal of Forensic Science? | to solve crimes or to identify individuals using biological evidence |
| To produce a DNA profile scientists ______________. | compare sequences in the genome that vary from person to person. |
| DNA profiling can be determined if? | if two samples of genetic material are from a particular individual |
| DNA profiling has rapidly revolutionized the field of _____. | Forensics |
| DNA profiling can be used to test what? | test the guilt of suspected criminals |
| DNA profiling can be used to exonerate______. | wrongly accused individuals |
| DNA profiling can be used to identify_____. | tissue samples of victims |
| DNA profiling can be used to resolve______. | paternity/maternity cases |
| DNA profiling can be used to identify______ and ______ | contraband animal products and trace the evolutionary history of organisms. |
| Who developed DNA fingerprinting? and when? | Alec Jeffreys, 1980's |
| What are the two disadvantages of Selective Breeding? | It takes a longer time, and the gene pool is smaller. |
| What is genetic engineering? | manipulation of genes for a specific goal |
| Genetic engineering involves the transfer of what? | a gene from one species to another |
| What are the two advantages of genetic engineering? | it takes a shorter time and the gene pool is larger |
| Modern Bio-Technology =_____? | DNA technology |
| What is the enzyme used in fireflies that was transferred into tobacco to make it glow? | Luciferase |
| Bioluminescent means what? | Produces light |
| What is a restriction enzyme? | molecular scissors that cut DNA at specific sites or sequences (palindromes) |
| What is a palindrome? | reads the same forwards and backwards |
| What is a plasmid? | circular DNA molecules that carry the gene of interest; |
| What produces a plasmid? | Bacteria |
| What is DNA ligase? | an enzyme that joins two pieces of DNA to form a recombinant DNA (hybrid DNA), works like glue |
| What is DNA ligase produced by? | Bacteria and viruses |
| What is Bio-Technology? | any alteration of organisms, cells, or biomolecules to achieve specific pratical goals; such as making products that will benefit humanity |
| Is Bio-technology new? Explain. | NO, biotechnology has been used to produce wine, beer, and bread from yeast for the last 10,000 years. |
| Restriction enzyme cuts DNA at _______ sequence. | palindromic |
| G CTTAA Finish the cut DNA sequence | AATTC G |
| What 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 |
| TPA stands for? | Tissue Plasmagine Activator (clot busting drug) |
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