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chapter 10 sci note

what is bacteria? a single celled organism without a nucleus.
binary fission simple cell division in which one cell splits into two identicle cells.
endospore a small internal resting cell formed by some bacteria when conditions are unfavorable for bacterial growth.
consumers obtain nutrients from other organisms.
decomposers feed on dead organic matter.
parasites invade the body of another organism to obtain food.
producers make their own food.
nitrogen bacteria consume nitrogen in the air and change it into a form that plants can use.
decomposing bacteria break down dead organic matter; therefore, returning nutrients to the soil
bioremediation use of bacteria and other microorganisms to change harmful chemicals into harmless chemicals
antibiotics medicines used to kill bacteria
insulin hormone needed to properly use sugars and other carbohydrates, produced in the pancreas
lactic acid bacteria convert the milk sugar lactose intolactic acid.
pathogenic bacteria prokaryotes that cuase disease
viruses microscopic particles that invade a cell & often kill it
lytic cycle the process by which viruses infect living cells and turn them into virus factories.
crystals polio virus
spheres influenza virus and hiv
cylinders tobacco mosaic virus
space craft bacteriophages
Created by: shawnsfishing