Beneficial Bacteria Quizzle!!! Question Preview (ID: 3066)


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Beneficial Bacteria is
a) harmful
b) gross
c) helpful
d) doesn't do anything of consequence

Lactobacillus Thermophilus
a) was first isolated by Ayers and Johnson
b) has huge colonies
c) originated in cats\' intestines
d) was first isolated by Charlton

Probiotic
a) is a synonym of antibiotic
b) is an organism that has no consequence upon its host
c) is an organism that harm its host
d) is a characteristic of Lactobacillus Thermophilus

All below holds true for Lactobacillus Thermophilus EXCEPT
a) it forms pin-point colonies
b) is odorless
c) it is non-pathogenic
d) it is rarely found and difficult to isolate

The morphology of L. Thermophilus
a) refers to its structure
b) has a major curved form
c) is yet to be determined
d) is cocci

L. Thermophilus is found in Dairy
a) true
b) false
c)
d)

L. Thermophilus produces lactic acid
a) true
b) false
c)
d)

L. Thermophilus is part of the Lactobacillaceae family
a) true
b) false
c)
d)

A postitive gram stain means that the bacteria is motile
a) true
b) false
c)
d)

L. Thermophilus has a negative gram stain result
a) true
b) false
c)
d)

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