StraighterLine BIO250 - Microbiology Final Exam Study Guide with Complete Solutions

StraighterLine BIO250 - Microbiology Final Exam Study Guide with Complete Solutions What is a Transforming Infection? - Correct Answers Virus that alters cell DNA, leading to cancer What is a lysogenic infection? - Correct Answers Phage DNA is incorporated into host genome and is passed on to subsequent generations What is a Lytic Bacteriophage Infection? - Correct Answers Host cell gets so packed with viruses that is lyses (splits) open and releases mature virions What are the three principle purposes of cultivating viruses? - Correct Answers 1.) Isolate and ID viruses in clinical specimens 2.) Prepare viruses for vaccines 3.) Research viral strucutre, multiplication cycles, genetics, and effects on hosts What are three ways in which viruses are cultivated? - Correct Answers 1.) Using live animal inoculation 2.) Using bird embryos 3.) Using cell (tissue) culture techniques What are three noncellular infections agents besides viruses? - Correct Answers Prions, viroids, and satellite viruses. List the essential nutrients of a bacterial cell: - Correct Answers CHONPS C - arbon H - ydrogen N - itrogen P - hosphate S - ulphur What are four terms that describe an organisms source of Carbon and Energy? - Correct Answers Photoautotrophos, chemoautotrophs, chemoheterotrophs, lithoautotrophs Define Sapr