Georgia College & State University

definition of a virus a submicroscopic, parasitic, filterable agent consisting of a nucleic acid surrounded by a protein coat which is smaller, viruses or bacteria? bacteria what can a virus infect? -invertebrates -vertebrates -plants -protists -fungi -bacteria when are viruses considered to be alive? ONLY when they are inside the host they infect where do they multiply? inside living cells are viruses sensitive to antibiotics? NO what are viruses sensitive to? interferon host...

microbes According to health care experts, infectious diseases caused by ______________ are responsible for more deaths worldwide than any other single cause. contaminants Adequate precautions are necessary to prevent unwanted _________________ from getting in or on experimental tubes or plates. Flame the inoculating loop What is the first step of aseptic technique? mix up organisms in culture What is the second step of aseptic technique? flame the mouth of the tube What is the third st...

Are food and drinks allowed in the Lab? no what is the first step of getting into the lab? swabbing the bench what do you need to wear every lab? lab coat how long should you allow the disinfectant to sit on the bench after swabbing it down? 1 min What should you do if an accident, cuts, burns, or spilling happens? go straight the the instructor When do you wear gloves? anytime you might come into contact with any microbe Where do you not dump microbial suspension? down the drain or...

Why do we study microbial growth? 1) to prove what causes disease 2) for antibiotic susceptibility (how to kill) 3) for research what are the physical aspects of microbial growth? - temperature - pH - osmotic pressure what are the 3 main groups microbes are classified into based on their optimum temperature? 1) psychrophiles 2) mesophiles 3) thermophiles psychrophiles - cold loving microbes - don't cause disease - (-10 deg. C to 20 deg. C) what is a psychrotroph? - organis...

Microbiology the study of living things that individually are too small to be seen with the naked eye Who created the system of nomenclature? Carolus Linnaeus (1735) genus the first name and is always CAPITALIZED specific epithet follows the genus and is not capitalized Prokaryote genetic material is not enclosed in a special nuclear membrane. Which microorganisms are prokaryotes? - bacteria - archaea Eukaryote organism's who's cells have a distinct nucleus containing the cel...

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