In eukaryotic cells, transcription and RNA processing happens in/on_________.
a. plasma membrane
b. Golgi apparatus
c. smooth ER
d. rough ER
e. nucleus
Answer: e. nucleus
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All the following antimicrobial agents work by inhibiting cell wall synthesis except:
A) cephalosporins. B) chloramphenicol. C) penicillin. D) vancomycin.
Plants make ____, which are similar to female sex hormones in mammals but have nothing to do with sexual reproduction in plants.
A. oxytocin B. phytoestrogens C. auxins D. cytokinins E. gibberellins
What is the flagellum in sperm for?
A) to serve as a structure for the physical propulsion of the sperm B) for energy production C) to provide a haploid set of chromosomes D) to serve as a reserve of energy and nutrients for the zygote E) to provide a diploid set of chromosomes
Why do some people not drink beverages with caffeine right before bedtime?
A. It increases the flow of urine and causes you to go to the bathroom during the night. B. It can cause a headache if consumed late at night. C. It decreases the flow of urine and can cause kidney stones. D. It may affect the ability to sleep, but caffeine has very little effect on the urinary system. E. It can lead to diarrhea.