Which of the following antibiotics is an inhibitor of DNA gyrase?
A) ethambutol
B) ciprofloxacin
C) tobramycin
D) neomycin
Ans: B) ciprofloxacin
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DNA photolyase, in the presence of visible light, can repair DNA damage due to ultraviolet radiation.
Answer the following statement true (T) or false (F)
Which plants are characterized by a conducting system, the possession of cuticles, specialized stems, and roots, stomata, and, in many species, seeds?
A. liverworts B. mosses C. tracheophyte D. horsetails E. club mosses
Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a recessive trait
You discover that your new father-in-law has albinism and cystic fibrosis. If neither you nor your spouse has either albinism or cystic fibrosis, what are the odds that your first child will have neither albinism nor cystic fibrosis?
a. 1/16 b. 3/8 c. 1/8 d. 9/16 e. 0
These organisms often have both a polyp form and a medusa form in their life cycle.
(A) Echinoderms (B) Annelids (C) Arthropods (D) Cnidarians (coelenterates) (E) Chordates