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BIO205 Exam 1 Already Graded A+

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BIO205 Exam 1 Already Graded A+ agar ️a polysaccharide derived from marine seaweed that is used as a solidifying agent in microbiology culture media animalcule ️a tiny, microscopic organism observed by Leeuwenhoek antisepsis ️the use of chemical methods for eliminating or reducing the...

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  • October 20, 2024
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  • 2024/2025
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BIO205 Exam 1 Already Graded A+

agar ✔️a polysaccharide derived from marine seaweed that is used as a solidifying agent in
microbiology culture media



animalcule ✔️a tiny, microscopic organism observed by Leeuwenhoek



antisepsis ✔️the use of chemical methods for eliminating or reducing the growth or replication of
infectious agents



bacteria ✔️the domain that includes all organisms not classified as archaea or eukarya



epidemiology ✔️the scientific study of the source, cause,and transmission of disease within a
population



eukaryotic ✔️referring to a cell or organism containing a cell nucleus with multiple chromosomes, a
nuclear envelope, and membrane-bound compartments



fungus ✔️one of the four kingdoms in the domain eukarya, composed of molds and yeasts



germ ✔️a microorganism, especially one that causes disease



miasma ✔️an ill-defined idea of the 1700s and 1800s that suggested diseases were caused by an
altered chemical quality of the atmosphere



microorganism/ microbe ✔️a microscopic form of life including bacterial, archaea, fungal and protistan
cells.



organism ✔️an individual animal, plant, or single-celled life form

, pathogen ✔️a microorganism or virus that causes illness or disease



prokaryotic ✔️referring to cells or organisms usually having a single chromosome but no cell nucleus
and few subcompartments



protist ✔️an informal term used to describe a eukaryote that is not animal, plant or fungus



pure culture ✔️an accumulation or colony of microorganisms of one species



virus ✔️an infectious agent consisting of DNA or RNA and surrounded by a protein coat, in some cases,
a membranous envelope surrounds the coat.



Who was the first person to see bacterial cells with the microscope? ✔️Leeuwenhoek



What is the name for the field of study established by Semmelweis and Snow in the mid-1800s?
✔️Epidemiology



What surgical practice was established by Lister? ✔️Antisepsis



Which one of the following statements is not part of Koch's postulates?



A.The microorganism must be isolated from dead animal and pure cultured

B.The microorganism and disease can be identified from a mixed culture

C.The pure cultured organism is inoculated into a healthy susceptible animal

D.The same microorganism must be present in every case of the disease ✔️B. The microorganism and
disease can be identified from a mixed culture



Which group of microbial agents is Eukaryotic?

A.Bacteria

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