Microbiology Quiz #2 - Statistics

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General Stats

This quiz has been taken 47 times
The average score is 6 of 24

Answer Stats

Hint	Answer	% Correct
Which type of bacteria contains a thick layer of peptidoglycan?	Gram Positive	68%
Thin, thread like appendages which help bacteria adhere to surfaces	Fimbriae/Pilli	59%
Type of horizontal gene transfer where plasmid is transferred from donor cell to recipient cell through the F-pilus	Conjugation	49%
What sized ribosomes are found in prokaryotes?	70S	41%
What is the most common method of replication for prokaryotes?	Binary Fission	41%
What molecule is found in gram negative bacteria cell walls, which has a varying amount of uses including stabilizing structure and creating a permeability barrier?	LPS/Lipopolysaccharide	32%
Name of a prokaryote which gains energy from sunlight	Phototroph	32%
Name of a prokaryote which gains energy from chemicals	Chemotroph	27%
What is found above the layer of peptidoglycan in gram negative bacteria?	Outer membrane	27%
Dormant, non growing structures which contain a copy of the genome, highly resistant to environmental stress	Endospore	24%
Name of a prokaryote which use organic compounds from their environment	Heterotroph	24%
What can be measured using a spectrophotometer to work out the number of cells in a culture?	Optical Density	22%
Name for flagellum spread over surface of a cell	Peritrichous	22%
Name of a prokaryote which gains electrons from organic compounds	Organotroph	19%
Where is the respiratory chain found in prokaryotes?	Plasma membrane	19%
Name of a prokaryote which gains electrons from inorganic compounds	Lithotroph	16%
Name of a prokaryote which uses carbon dioxide to make carbon compounds	Autotroph	14%
Bacteria. Gram negative rods, peritrichous flagella, facultative anaerobe, many strains are commensal, some are pathogenic	Escherichia coli	14%
What can be found below the outer layer of peptidoglycan in gram positive bacteria?	Plasma membrane	14%
Bacteria. Gram positive rods, peritrichous flagella, facultative anaerobe, produces endospores and toxins, can cause food poisoning	Bacillus cereus	11%
Name for cluster of flagellum	Lophotrichous	11%
Bacteria. Gram positive cocci in clusters, facultative anaerobe, commensal and pathogenic strains	Staphylococcus aureus	11%
Archaea. irregular cell shape, anaerobic, non-motile methanogenic, lives in rumen of ruminant animals	Methanosarcina rumen	0%
Archaea. cocci with glycoprotein S-layer and lophotrichous flagella, hyperthermophile, inhabits hydrothermal vents	Pyrococcus furiosus	0%

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