Soon After the Introduction of Antibiotics,resistant Strains of Bacteria That

question 59

Multiple Choice

Soon after the introduction of antibiotics,resistant strains of bacteria that could grow in the presence of particular antibiotics began to evolve.Researchers develop new antibiotics,only to see resistant bacterial strains evolve within a few years.Which of the following explains why resistant strains of bacteria can evolve so quickly?

• A)bacteria have a short generation time
• B)bacteria can transfer plasmids containing resistance genes via conjugation
• C)horizontal gene transfer
• D)bacteria have a short generation time and can transfer plasmids containing resistance genes via conjugation
• E)bacteria have a short generation time and can transfer plasmids containing resistance genes by horizontal gene transfer mechanisms such as conjugation

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Definitions:

Sternum

The long, flat bone located in the center of the chest, connected to the ribs via cartilage, forming part of the rib cage.

Styloid Process

A slender, pointed piece of bone that extends down from the temporal bone of the skull, serving as an attachment point for muscles associated with the tongue and larynx.

Scapula

The shoulder blade, a flat, triangular bone located at the back of the shoulder, serving as an important site for muscle attachment.

Patella

Kneecap.