Prokaryotes (pre-nucleus) - Answerssimple cells
Eukaryotes (true-nucleus) - Answerscomplex cells
prokaryote - AnswersA unicellular organism that lacks a nucleus and membrane bound
organelles
eukaryote Answersunicelland multicellular nucleus and membrane-bound organelles
viruses - AnswersAcellular, parasitic particles composed of a nucleic acid and protein
photosynthesis - Answerslight fueled conversion of carbon dioxide to organic material
decomposition - Answersbreakdown of dead matter and wastes into simple compounds
biotechnology - Answersproduction of foods, drugs and vaccines using living organisms
genetic engineering - Answersmanipulating the genes of organisms to make new products
bioremediation - Answersusing living organisms to remedy an environmental problem
parasites - Answerslive on or in the body of another organism called the host and it damages
the host
, host - AnswersA living organism on which a parasite lives
pathogens - Answersmicrobes that do harm
spontaneous generation - Answersthe mistaken idea that living things can arise from non-living
things
theory of biogenesis - AnswersLouis Pasteur proved, living things can only arise from other living
things
microorganisms Answersinclude bacteria, viruses, fungi, protozoa, helminths (worms), and algae
Antonie van Leeuwenhoek - Answersdutch linen merchant, first observed microbes with single-
lens magnified up to 300X
scientific method - Answersapproach taken by scientists to explain certain natural phenomenon
hypothesis - Answerstentative explanation that can be supported or refuted
endospores - Answersheat resistant bacterial
sterility - Answersrequires the elimination of all life forms including endospores and viruses
Joseph Lister - Answersintroduced aseptic techniques to reduce microbes in medical setting and
prevent wound infections
The Germ Theory Disease - Answerstwo major contributors: Louis Pasteur and Robert Koch