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You will not get a grade for this multiple choice. You can take it as many times as you want, check your answers and see the explanations.How are natural antibiotics made?

A. They are produced in bacteria by very large intracellular enzymatic complexes.
B. They are produced by bacterial consortia.
C. They are produced by viruses

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You will not get a grade for this multiple choice. You can take it as many times as you want, check your answers and see the explanations.How many secondary metabolites have an in vitro activity?

A. 2000
B. 6000
C. 20000

A given antibiotic interacts with:

A single bacterial target
B. Always multiple bacterial targets.
C. Sometimes with a single bacterial target, sometimes with multiple bacterial targets.

Among the following statement about the classification of antibiotics synthetized by micro-organisms, which one is not correct? They are classified according to:

A. Their chemical structure
B. Their mode of action
C. The name of producers

Q1 – Among the following options, which one is not correct?The phenotypic approaches for detecting bacterial resistance can be based on

A. 1 - Minimal Inhibitory Concentration determination.
B. 2 - Disk diffusion tests.
C. 3 - Enzymatic activity detection.
D. 4 - Gene detection.

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