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chapter 10 (real)
GENETIC ENGINEERING
| Question | Answer |
|---|---|
| antibody | defensive proteins released by B cells in response to a foreign substance in the body |
| anticoagulant | protein involved in dissolving blood clots. effective in treating heart attack patients. |
| cloning | process of growing a large number of genetically identical cells from a single cell. |
| diabetes mellitus type I | serious disorder in which cells are unable to obtain insulin from the blood. |
| DNA fingerprint | the pattern of bands that result whem DNA fragments are separated by gel electrohoresis |
| Human Genome Project | resurch effort to identify and locate the emtire collecon of genes in a human cell |
| gel electrophoresis | technique that uses an electrical field passed through a gel to separate molecules in amixture |
| genetic engineering | process of isolating a gene from DNA of one organism and transferring it to the DNA of another organism. |
| glyphosate | herbicide; powerful biodegradable weedkiller. |
| plasmid | a circular DNA molecule, usually found in bacteria, that can replicate indepedndently from the main chromosome. |
| polymerase chain reaction | laboratory technique for making unlimited copies of a gene |
| recombiant DNA | molecule made from pieces of DNA from different organisms |
| restriction enzyme | bacterial enzyme that cuts DNA at a specific sequence of nucleotides |
| restriction fragment length polymorphism analysis (RFLP) | Laboratory technique used to identify base sequences in DNA. |
| Southern blot | technique that uses radioactive labled RNA or single-stranded DNA as a probe to identify a specific gene |
| vector | agent used to carry a DNA fragment into a cell. |
| sticky ends | the ends ends of DNA fragments after they have been cut by a paticular restriction enzyme. Can be paired with any other strand of DNA cut by that restriction enzyme. |
| Cohen & Boyer | discovered genetic engineering; how to take the gene of one organism and place it into the DNA of another organism. |