EXAM 1: MCB2610 Exam 1|173+ Questions and Answers 100% Pass
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Course
MCB 2610
Institution
MCB 2610
EXAM 1: MCB2610 Exam 1|173+ Questions and Answers
100% Pass
what is microbiology? CORRECT ANS-study of microbes
-examines how microbes interact with humans, with food, and how they can be used by
humans
microbes CORRECT ANS-forms of life that are too small to be seen with the naked eye
-bac...
,EXAM 1: MCB2610 Exam 1|173+ Questions and Answers
100% Pass
-majority have cell walls with peptidoglycan
-most lack a membrane-bound nucleus
-ubiquitous and some live in extreme environments
-some cause disease but most are beneficial
-many recycle elements (ex= cyanobacteria produce amounts of significant oxygen)
domain archaea CORRECT ANS--distinguished from bacteria by unique rRNA sequences
-lack peptidoglycan in cell walls and have unique membrane lipids
-some have unusual metabolic characteristics (ex: methanogens produce methane gas)
-many live in extreme environments
-their role in causing diseases is unclear
domain eukarya- eukaryotes CORRECT ANS--generally larger than bacteria and archaea
-plants and animals
-algae-photosynthetic
-protozoa: may be motile
-slime molds: two life cycle stages
, EXAM 1: MCB2610 Exam 1|173+ Questions and Answers
100% Pass
-water molds: protists that grow in moist environments (some cause devastating diseases in
plants)
-fungi: yeasts, unicellular molds, and multicellular (primarily decomposers, some cause
disease
are acellular infectious agents considered part of the 3 domain system of classification?
CORRECT ANS-NO
types of acellular infectious agents CORRECT ANS--viruses
-viriods
-virusoids
-prions: infectious proteins
viruses CORRECT ANS--smallest of all microbes
-very simple (some consist of only proteins and nucleic acids
-requires host cell to replicate
-causes range of diseases, some cancers
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