Unit #4: Streaking An Agar Plate Vocabulary Question Preview (ID: 48393)
Vocabulary For Unit #4 Section #1 Streaking An Agar Plate.
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Agar
a) A nutrient medium or culture medium that is commonly used to culture bacteria in the lab.
b)
c)
d)
Broth
a) liquid nutrient-rich medium used for cultivating microorganisms, also called nutrient broth
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c)
d)
Colony
a) Population of cells arising from from a single cell or spores or group of attached cells.
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c)
d)
Culture
a) Microbes growing in/on culture medium.
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c)
d)
Culture Medium
a) Nutrients prepared for microbial growth. Solution containing all of the nutrients and necessary physical growth requirements.
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c)
d)
Differential Media
a) Designed to separate organisms based on type of growth or end products of metabolic reactions.
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Enrichment Media
a) Used to increase the relative concentration of certain microbes in the culture prior to plating on solid selective medium.
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Inoculating Loop
a) Made of platinum or wire used to streak, smear or take a sample of a culture.
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Inoculum
a) Microbes introduced into a medium to initiate growth.
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d)
Pour Plate
a) Bacteria are inoculated into a tube of melted agar cooled to a temperature of 45 C, mixed, and poured into a sterile plate.
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Selective Media
a) Media that suppresses the growth of some microorganisms while allowing the growth of others.
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d)
Solid Medium
a) Media containing agar or some other, mostly inert solidifying agent.
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c)
d)
Spread Plate
a) Liquid cultures are spread on the center of an agar surface using a bent sterile glass rod.
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c)
d)
Streak Plate
a) Petri dish is streaked in manner such that individual colonies may be isolated.
b)
c)
d)
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