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Bacterial Structure/Growth/Metabolism Quiz Stats

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Gene transfer through the sex pilusConjugation
76.5%
Small circular extra-chromosomal DNA that is nonessential. It replicates separately from the chromosome and often codes for virulence factors, antibiotic resistance, and/or self trPlasmid
76.5%
Transport against the concentration gradient. Carrier protein and energy are required. Active transport
73.5%
Viruses that infect bacteriaBacteriophage
70.6%
Has a waxy cell wall containing mycolic acid. Its lethal oxidation is survival inside of a macrophage. It is sensitive to heat and UV light. Mycobacterium tuberculosis
70.6%
Dormant form of a bacterial cell found only in gram positive bacteria. Examples are Bacillus anthacis and Clostridium Tetani. Spore
70.6%
Phase on bacterial growth curve where the is no or little cell divisionLag phase
67.6%
Phage-mediated gene transferTransduction
67.6%
Transfer of naked DNATransformation
67.6%
Pathogen that does NOT have a cell wall, will not be seen with a gram stain, and contains sterols.Mycoplasma
67.6%
Gram positive pathogen that causes skin infections, endocarditis, pneumonia, and food poisoning.Staph aureus
67.6%
Phase on bacterial growth curve where rate of cell division is equal to the rate of cell deathStationary phase
64.7%
Type of diffusion where a protein channel or carrier protein is embedded within the cell membraneFacilitated diffusion
64.7%
Respiration in which an inorganic molecule other than O2 is the final electron acceptor. Theoretical maximum energy yield is 36ATP/glucose or less.Anaerobic Respiration
64.7%
Also called endotoxin specific to Gram negative bacteria. It is a strong stimulator of the immune response.LPS
64.7%
Complex aggregation of microorganisms marked by the excretion of a protective and adhesive matrix. 65% of nosocomial infections are caused by this. Biofilm
64.7%
Grows best when O2 is present, but can grow without O2 as well. E. coli is an example. Facultative anaerobe
61.8%
Occurs in the cytosol in the absence of O2 and energy yield is 2ATP/glucose. End products of this process can be used for identification of many bacteria.Fermentation
58.8%
Gram negative pathogen that causes UTI, Meningitis in neonates, and GI tract infections.E. coli
58.8%
Gram positive diplococci that causes pneumonia, otitis media, and meningitis.Streptococcus pneumoniae
58.8%
Another name for glycocalyx. Capsule
58.8%
Recognizes and binds to specific DNA sites during transcriptionRNA polymerase
55.9%
Small segments of DNA that can move from one region of DNA to anotherTransposons
55.9%
x x % Correct
Single polar flagellumMonotrichous
55.9%
Gram negative pathogen that causes Lyme disease. It is a spirochete that contains endoflagella for movement. Gram negative stain but too thin to be seen. Borrelia burgdorferi
55.9%
May be a poison for bacteria because it generates toxic products such as hydrogen peroxide and superoxide anion.Oxygen
52.9%
G+ pathogen that causes Gas Gangrene. It is an obligate anaerobe.Clostridium perfringens
52.9%
Surface antigens only on Gram positive bacteria that has a role in adherence to host cells or other bacteria.Teichoic acid
52.9%
Multiple flagella around the cell Peritrichous
52.9%
Type of parasite that can live only on living tissue and not dead tissueObligate parasite
50%
Bind to RNA polymerase core enzyme and recognize promoter.Sigma factor
50%
Set of genes needed for a particular response that are in different operons but under the control of one common regulator protein.Regulon
47.1%
Simultaneous expression of genes involves this.Operon
47.1%
Toxic part of LPS Lipid A
47.1%
Small molecules that bind iron. Gets internalized via receptors by the bacterial cell. Siderophore
44.1%
Where a regulator protein binds in an operon.Operator region
44.1%
Incorporation of extrachromosomal DNA into the chromosome.Recombination
44.1%
Gram negative pathogen that causes meningitis, epiglottitis, otitis media, and pneumoniae.H. influenza
44.1%
Multiple flagella at the same spotLophotrichous
44.1%
Repressed temperate phage DNA inserted into bacterial chromosome. Its DNA may code for other proteins that make the bacteria more virulent=lysogenic conversion. Examples are diphthProphage
41.2%
Major surface antigen on LPSO Antigen
35.3%
Unusual carbohydrate residue on LPSCore
29.4%
Chemical conversion of transported moleculeGroup translocation
26.5%
Provides protection for DNA in spores.Dipicolinic acid
26.5%
Keratin-like protein on spores.Coat
26.5%
Peptidoglycan like on sporesCortex
23.5%

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Created Nov 4, 2010ReportNominate
Tags:growth, structure

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