Microbiology: An Evolving Science Fourth Edition Test Bank

Microbiology: An Evolving Science Fourth Edition Test Bank enhances learning with well-structured notes, key formulas, and exam-style problems.

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CHAPTER 1: Microbial Life: Origin and DiscoveryMULTIPLE CHOICE1.Viruses area.infectious agents that infect exclusively multicellular organisms.b.noncellular particles that take over the metabolism of a cell to generate more virusparticles.c.pathogens that replicate in complex growth media.d.cellular particles that belong to the archaea domain.e.microbes that consist of lipid membrane–enclosed genomes.ANS:BDIF:EasyREF:1.1OBJ:1.1a Recall the definition of a microbe | 1.1b List examples of microbesMSC:Remembering2.Analysis of DNA sequences revealsa.the ancient convergence of two cell types (i.e., prokaryotes and eukaryotes).b.that prokaryotes and eukaryotes evolved from a common ancestral cell.c.that bacteria share a common ancestor with archaea but not with eukarya.d.that prokaryotes are cells with a nucleus.e.that the genome ofHaemophilus influenzaehas about 2 billion base pairs.ANS:BDIF:EasyREF:1.1OBJ:1.1d Explain the implications of microbial genome sequencingMSC:Understanding3.Which of these groups are considered to be microbes but NOT considered to be cells?a.virusesd.protistsb.bacteriae.filamentous fungic.archaeaANS:ADIF:EasyREF:1.1OBJ:1.1a Recall the definition of a microbe | 1.1c Describe some problems with the definition ofa microbeMSC:Understanding4.A microbe is commonly defined as a ________ that requires a microscope to be seen.a.virusd.multicellular eukaryoteb.bacteriume.living organismc.single-cellular prokaryoteANS:EDIF:EasyREF:1.1OBJ:1.1a Recall the definition of a microbeMSC:Remembering5.Which one of the following statements regarding microbial cells is FALSE?a.Microbial cells acquire food, gain energy to build themselves, and respond toenvironmental change.b.Most single-celled organisms require a microscope to render them visible, but somebacterial cells are large enough to be seen with naked eyes.c.Microbes function as individual entities.d.Many microbes form complex multicellular assemblages.e.Viruses are not considered microbial cells.ANS:CDIF:EasyREF:1.1

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Microbiology: An Evolving Science b...

Microbiology: An Evolving Science Fourth Edition Test Bank

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