Drug resistance has occurred because:
a. patients do not complete the course of therapy as prescribed
b. patients share their medications with others
c. patients are prescribed the same antimicrobials repeatedly
d. patients are prescribed antimicrobials inappropriately
e. all of the above
Answer: e. all of the above
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Describe a method developed by molecular biologists to easily observe the success of a genetic engineering procedure involving the ligating of a gene of interest into a plasmid
What will be an ideal response?
You isolate a new bacterium from soil with a revolutionary new growth technique. You are interested in characterizing the genome of this organism using restriction enzymes. The first enzyme chosen should be one that will cut the genome infrequently, allowing you to do more detailed fine mapping at a later date. Of the following choices, the best enzyme to choose for your task would be (NOTE: P =
a purine base; Y = a pyrimidine base) A) HpaI (CCGG). B) TaqI (TCGA). C) EcoRI (GAATTC). D) HindII (GTYPAC). E) NotI (GCGGCCGC).
Which statement regarding fungal reproduction is true?
A. Fungi do not produce spores. B. Fungi can only reproduce sexually. C. Many fungi can reproduce either sexually or asexually. D. All fungi can only reproduce asexually.
Phenotypic variation can occur in traits controlled by the same allele
a. True b. False