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Questão 1
Questão
Grouping organisms into categories to show degrees of similarities is called?
Responda
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Systematics
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Taxonomy
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Hierarchy
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Nomenclature
Questão 2
Questão
Which of the following statements describes the Domain Bacteria?
Responda
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They are multicellular
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They have linear chromosomes
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They have prokaryotic cells
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That have eukaryotic cells
Questão 3
Questão
What process can be used to increase the amount of microbial DNA to levels that can be tested by gel electrophoresis?
Responda
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Phage typing
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DNA fingerprinting
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Polymerase chain reaction (PCR)
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Western blotting
Questão 4
Questão
Treating DNA from different bacteria with the same restriction enzymes followed by separation of the fragments by electrophoresis is known as
Responda
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DNA base composition
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DNA fingerprinting
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The nucleic acid amplification test (NAAT)
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Ribotyping
Questão 5
Questão
Which of the following techniques can identify antibodies in a patient’s serum?
Responda
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Flow cytometry
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Southern blotting
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Western blotting
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Phage typing
Questão 6
Questão
The test that involves a reaction between known antibodies and an unknown bacterium is known as
Responda
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ELISA
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Phage typing
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Flow cytometry
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Southern blotting
Questão 7
Questão
Genetically related groups of eukaryotes that share a common ancestor are known as
Responda
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Species
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Clones
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Strains
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Clades
Questão 8
Questão
Which one of the following do NOT apply to eukaryotic cells?
Responda
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Contain 80S ribosomes
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Have histones
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Have circular chromosomes
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Exhibit growth via mitosis
Questão 9
Questão
Organisms that can form thin tubes called hyphae belong in the Kingdom
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Animalia
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Fungi
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Plantae
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Protista
Questão 10
Questão
Historically, eukaryotic organisms that did NOT fit into other kingdoms were placed into which kingdom?
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Protista
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Fungi
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Plantae
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Animalia
Questão 11
Questão
Fossil evidence indicates that prokaryotic cells first existed on Earth ___________years ago.
Responda
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3.5 billion
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3.5 million
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350,000
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3500
Questão 12
Questão
In the scientific name Staphylococcus aureus, Staphylococcus is the
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class
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Genus
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Species epithet
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Family
Questão 13
Questão
A clone is
Responda
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The same as a species
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A population of cells with similar characteristics
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A freely interbreeding population
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A population of cells derived from a single parent cell
Questão 14
Questão
The two domains of prokaryotes are
Responda
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Bacteria and Archaea
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Bacteria and Fungi
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Archaea and Fungi
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Bacteria and Protista
Questão 15
Questão
Which of the following bacteria LACKS a cell wall?
Responda
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Borrelia
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Clostridium
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Mycoplasma
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Mycobacterium
Questão 16
Questão
Which one of the following is NOT a category of Archaea?
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Halophiles
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Pathogens
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Thermophiles
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Acidophiles
Questão 17
Questão
Nitrogen-fixing bacteria that infect the roots of leguminous plants are known as
Responda
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Nanobacteria
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Cyanobacteria
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Pseudomonads
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Rhizobia
Questão 18
Questão
The largest bacterium discovered, found in sediments of the coastal waters off Namibia, belongs to the genus
Responda
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Mycobacterium
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Pseudomonas
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Thiomargarita
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Staphylococcus
Questão 19
Questão
Alphaproteobacteria often have stalk-like or budlike protrusions known as
Responda
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Axial filaments
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Myxospores
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Prosthecae
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Elementary bodies
Questão 20
Questão
Which of the following is NOT a member of the order Enterobacteriales?
Responda
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Pseudomonas
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Escherichia
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Salmonella
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Shigella
Questão 21
Questão
The MOST common infectious genus in the world which ONLY lives inside the cells of insects is
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Coxiella
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Brucella
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Wolbachia
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Bartonella
Questão 22
Questão
The phylogenetic relationship among proteobacteria is based on ________studies.
Responda
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rRNA
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mRNA
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DNA
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tRNA
Questão 23
Questão
Which of the following causes syphilis?
Responda
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Treponema pallidum
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Leptospira interrogans
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Cytophaga spp.
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Borrelia burgdorferi
Questão 24
Questão
Which of the following is NOT assigned to the phylum Firmicutes?
Responda
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Enterobacteriales
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Clostridiales
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Lactobacillales
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Mycoplasmatales
Questão 25
Questão
Which genus of bacteria is responsible for more illnesses and diseases than any other group of bacteria?
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Streptococcus
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Enterococcus
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Staphylococcus
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Bacillus
Questão 26
Questão
What is the common cause of yeast infections?
Responda
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Aspergillus fumigatus
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Candida albicans
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Histoplasma capsulatum
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Penicillium chryosogenum
Questão 27
Questão
Which of the following is the MOST common life-threatening infection in AIDS patients?
Responda
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Aspergillus
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Candida
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Rhizopus
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Pneumocystis
Questão 28
Questão
What term refers to fungal infections deep within the body?
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Systemic mycoses
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Cutaneous mycoses
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Subcutaneous mycoses
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Superficial mycoses
Questão 29
Questão
Algae with complex cell walls made of pectin and a layer of silica are
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Diatoms
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Green algae
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Red algae
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Dinoflagellates
Questão 30
Questão
Which type of algae can live at greater ocean depths than other algae?
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Blue algae
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Red algae
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Brown algae
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Green algae
Questão 31
Questão
The body of a multicellular algae is called a
Responda
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Mycelium
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Hypha
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Pseudopod
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Thallus
Questão 32
Questão
Paralytic shellfish poisoning is caused by dinoflagellates that secrete a neurotoxin known as
Responda
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Aflatoxin
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Endotoxin
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Exotoxin
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Saxitoxin
Questão 33
Questão
The feeding or growing stage of a protozoan is called the
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Merozoite
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Hypnozoite
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Trophozoite
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Sporozoite
Questão 34
Questão
Amebic dysentery is caused by which of the following human pathogens?
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Acanthamoeba
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Naegleria
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Entamoeba
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Trichomonas
Questão 35
Questão
Which of the following pairs is mismatched?
Responda
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Mosquito-epidemic typhus
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Flea-plague
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Tick-Rocky Mountain spotted fever
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Mosquito-malaria
Questão 36
Questão
The sexual reproduction of Plasmodium takes place in the gut of a
Responda
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Tick
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Mosquito
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Human
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Flea
Questão 37
Questão
Which of the following is the vector of Lyme disease?
Responda
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Tick
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Head louse
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Mite
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Mosquito
Questão 38
Questão
Arthropods that carry pathogenic microorganisms are called
Responda
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Vehicles
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Vectors
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Fomites
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Reservoirs
Questão 39
Questão
Which of the following is TRUE regarding viruses?
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Virions contain both DNA and RNA
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They multiply by binary fission
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They are sensitive to antibiotics
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They are not composed of cells
Questão 40
Questão
Which of the following is NOT a morphological type of virus?
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Helical
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Polymorphic
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Polyhedral
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Enveloped
Questão 41
Questão
Viruses that infect bacteria are called
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Bacteriophages
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Prions
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Viroids
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Antisense viruses
Questão 42
Questão
Capsids are composed of protein subunits known as
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Capsomeres
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Spikes
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Envelopes
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Tail fibers
Questão 43
Questão
It is hypothesized that viroids evolved from
Responda
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Viruses
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Exons
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Introns
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Prions
Questão 44
Questão
Prion diseases can be acquired via ALL of the following EXCEPT
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Ingestion
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Inhalation
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Contaminated surgical instruments
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Transplanted nerve tissue
Questão 45
Questão
Scrapie is an example of a ________ disease found in sheep and caused by a prion.
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Neurological
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Gastrointestinal
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Respiratory
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Cardiovascular
Questão 46
Questão
Viroids infect
Responda
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Animals
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Protozoans
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Plants
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Bacteria
Questão 47
Questão
A viroid is a
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Provirus
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Naked, infectious piece of RNA
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Capsid without a nucleic acid
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Complete, infectious virus particle
Questão 48
Questão
What percentage of cancers are known to be virus-induced?
Responda
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10%
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25%
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50%
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100%
Questão 49
Questão
The ability of retroviruses to induce tumors is related to which enzyme?
Responda
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Reverse transcriptase
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RNA polymerase
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DNA polymerase
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Protease
Questão 50
Questão
Cancer-causing alterations to cellular DNA affect parts of the genome called
Responda
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Introns
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Oncogenes
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Exons
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Promoters
Questão 51
Questão
Which of the following is NOT an effect of transformation?
Responda
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T antigens appear in the nucleus of the cell
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Cells lose their ability to divide
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Cells tend to exhibit chromosomal abnormalities
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Tumor-specific transplantation antigens appear on the cell surface.
Questão 52
Questão
Which of the following is an example of a latent viral infection in humans?
Responda
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Measles
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HIV/AIDS
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Shingles
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Influenza
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