Identify the two major mechanisms by which microbes can acquire resistance to antimicrobial medications. Check All That Apply Spontaneous mutation Binary fission Gene transfer
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Which of the following factors contributes to the rise of antibiotic resistance? SELECT ALL THAT APPLY spontaneous mutations horizontal gene transfer intron removal induced mutations selective pressure
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Identify and explain two mechanisms of HGT (horizontal gene transmission) relative to the transfer of antibiotic resistance between strains or species of bacteria. You have just discovered a new antibiotic. This antibiotic is a small organic molecule that dissolves in a cytoplasmic membrane then "ferries" protons (H+) back and forth across the membrane. The antibiotic releases the H+'s on whichever side of the membrane the concentration is lower, until ultimately the proton concentration across the membrane reaches equilibrium. What is the name of the gradient that this antibiotic is destroying? What processes will be immediately affected in organisms grown in the presence of this antibiotic? What processes would be affected eventually (before the cell dies)?
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