Which group are the key drugs used to treat Hansen's disease (leprosy)?
A. Polymyxins
B. Sulfonamides
C. Sulfones
D. Fluoroquinolones
E. Streptomyces
Answer: C
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The Earth's surface releases __________ that is absorbed by the atmosphere, stabilizing or raising atmospheric temperature.
A. fire B. ultraviolet radiation C. near-ultraviolet radiation D. activation energy E. long-wave infrared radiation
You are interested in studying the function of a gene, so you decide to create point mutations to help you identify important residues in your protein
Using the underlined adenine in the following sequence, how could you mutate the sequence to create a silent transversion mutation? 5?-ATG GGA TGG CAC CTG-3?
Which one of the following sexually transmitted diseases is characterized by a primary phase that affects the genitals, and secondary and tertiary phases that spread throughout the body?
A) chlamydia B) genital warts C) hepatitis B D) syphilis E) gonorrhea
The excretory system of insects:a
has many openings on the body wall. b. contains flame cells. c. is not connected to the gut. d. excretes uric acid from the rectum. e. relies on diffusion across the body wall.