Biology Essentials - Antibiotics Flashcards

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1
Q

How do antibiotics find the bacteria?

A

When you swallow an antibiotic, it enters your digestive tract and is absorbed into the blood stream, moving throughout the body, until it reaches its target area.

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2
Q

What 3 areas to antibiotics target in bacteria?

A

Cell wall or membranes that surrounds the bacterial cell

The production of nucleic acids, DNA and RNA

The protein production (the ribosome and associated proteins)

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3
Q

What are narrow-spectrum antibiotics?

A

Specific to certain groups or strains of bacteria

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4
Q

What are broad-spectrum antibiotics?

A

Work against a wider range of bacteria

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5
Q

Why are narrow-spectrum bacteria preferred?

A

Effect on non-disease causing bacteria is limited

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6
Q

How does an antibiotic attack the cell wall?

A

Prevention of peptidoglycan in the cell wall, which provides the wall with the strength it needs

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