Two Bacterial Strains Were Obtained with the Following Genotypes After an Uninterrupted Conjugation,you Want to Select F^- Recombinants That

question 33

Multiple Choice

Two bacterial strains were obtained with the following genotypes: $\begin{array}{|l|l|} \hline\quad\quad\quad\quad\quad& \text { Hfr: alaleu }{ }^{+} a\_{-1} \mathrm{St}^{2} \mathrm{r}^{5} \quad\quad\quad\quad\quad\quad\quad\\ \hline&F^{-}: \quad a l a^{+} l e u r a-l^{R} S t r^{R} \\\hline\end{array}$

After an uninterrupted conjugation,you want to select F^- recombinants that are ala⁺leu⁺.Which of the following media would you use for this selection?

• A)complete medium containing streptomycin
• B)minimal medium containing streptomycin
• C)minimal medium containing leucine and streptomycin
• D)minimal medium containing sodium azide and leucine
• E)minimal medium containing alanine,leucine,and streptomycin

Understand the classifications of psychoactive drugs, including the effects of depressants on the central nervous system.

Comprehend theories related to the division of consciousness, especially in the context of hypnosis.

Distinguish between different breathing-related sleep disorders and understand their causes.

Interpret the significance of Freud's theory on the interpretation of dreams and recall basic concepts related to drug classification and sudden infant syndrome.

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