Bio 280 Exam 2 Questions & Answers Already Graded A+

"-cide" - refers to killing. "Bacteriocide" kills bacteria, "fungicide" kills fungi, etc. "-static" - means 'to stand still'. Refers to an agent which prevents growth but doesn't kill. "Bacteriostatic" or "fungistatic" or "virustatic" agent "troph" means - eat A solution containing an antibiotic? - Filtration Abiogenesis - life arise from non-living matter Acidophiles - like low ph Active transport - Moving from lower to higher concentration. Aerotolerant - If there's oxygen around they wont die but they wont be able to grow. Alcohol based products - dehydrate protein based membranes, so viruses that don't have a membrane around them are not killed when using hand sanitizer. Works best on gram negative bacteria. Alcohols - - Ethanol -- 70% to 95% -Isopropanol -- more microbicidal but also more toxic - Destroy cell membranes, can coagulate proteins - a dehydrator and pulls water away from cells. Alkilophiles - likes high pHAntibiotics - natural antimicrobial drugs Antimicrobial chemotherapy - When a drug is used to control an infection Antimicrobial drugs - a class of compounds which inhibit or kill microorganisms Antisepsis - Removal or destruction of vegetative forms from the body.