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Questions and Answers
What is the main function of folic acid synthesis in bacterial and mammalian cells?
What is the main function of folic acid synthesis in bacterial and mammalian cells?
- Essential for nucleotide synthesis (correct)
- Aids in cell division
- Facilitates ATP production
- Promotes protein synthesis
How do tetracyclines primarily enter bacterial cells?
How do tetracyclines primarily enter bacterial cells?
- Simple diffusion
- Endocytosis
- Facilitated diffusion
- Active transport via ATP-dependent system (correct)
What characteristic of doxycycline and minocycline makes them more preferable than tetracycline and oxytetracycline?
What characteristic of doxycycline and minocycline makes them more preferable than tetracycline and oxytetracycline?
- Higher protein binding
- Less absorption interference from food (correct)
- Increased renal excretion
- Greater activity against staphylococcus species
Which type of excretion is common for tetracyclines like doxycycline and minocycline?
Which type of excretion is common for tetracyclines like doxycycline and minocycline?
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How are sulfamethoxazole and trimethoprim (SMZ-TMP) classified in terms of their effect on bacterial species?
How are sulfamethoxazole and trimethoprim (SMZ-TMP) classified in terms of their effect on bacterial species?
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