A yogurt, which had "contains live cultures" on its label, was transferred onto an acidic carbohydrate-containing medium for selective enrichment. Eventually, isolates of the ________ genus were obtained

A) Lactobacillus
B) Leuconostoc
C) Peptococcus
D) Streptococcus


Answer: A

Biology & Microbiology

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A respiratory surface is indicated by

a. A. b. B. c. C. d. D. e. E.

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During gel electrophoresis, large DNA fragments will _____ small DNA fragments.

A. migrate more rapidly than B. separate into C. migrate at the same speed as D. cause degradation of E. migrate more slowly than

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