MI 1.4 Vocab Quiz Word Scramble
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| Term | Definition |
| vaccine | A harmless variant of a pathogen that stimulates a host's immune system to mount defenses against the pathogen |
| vaccination | A procedure that presents the immune system with a harmless variant of a pathogen, thereby stimulating the immune system to mount a long-term defense against the pathogen |
| recombinant DNA | A DNA molecule made in vitro with segments from different sources |
| plasmid | A small ring of DNA that carries accessory genes separate from those of the bacterial chromosome |
| restriction enzyme | A degradative enzyme that recognizes specific nucleotide sequences and cuts up DNA |
| epidemiology | A branch of medical science that deals with the incidence, distribution, and control of disease in a population |
| epidemiologist | Person who studies diseases and controls them in a population |
| cohort study | A type of epidemiologic study where a group of exposed individuals (individuals who have been exposed to the potential risk factor) and a group of non-exposed individuals are followed over time to determine the incidence of disease |
| case-control study | A type of epidemiologic study where a group of individuals with the diseases, referred to as cases, are compared to individuals without the disease, referred to as controls |
| sticky ends | DNA fragment that contains overhang ending |
| blunt ends | DNA fragment that contains no overhang |
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