Explain how antibiotics are used to treat bacterial infections. What are some of the problems concerning the use of these drugs?
What will be an ideal response?
Antibiotics work in a variety of ways, including inducing the bacterial cells to burst. Some antibiotics target the cell walls of bacteria; because animal cells lack cell walls, these antibiotics won't kill human cells. Other antibiotics interfere with bacterial protein synthesis; this works because ribosome structure is different in bacteria and animal cells. A major problem is the development of bacterial strains that are resistant to antibiotics. This results from the overuse and misuse of antibiotics.
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Indicate whether the statement is true or false.
The end of the skeletal muscle that remains stationary during a movement is
(a) the action. (b) the origin. (c) the insertion. (d) none of the above.
Karyogamy produces a _____.
a) diploid zygote b) haploid zygote c) spores d) mycelium e) hypha
Which mammal is abale to snythesize all the vitman C (ascobic acid) it needs
A. human B. monkeys C. guinea pig D. dog E. all of the answer choice are correct