Which of the following is used to treat herpetic keratitis?
A) penicillin
B) sulfonamide
C) trifluridine
D) fungicide
E) acyclovir
C
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Recent expeditions into New Guinea found
a. dozens of new species of animals. b. plants that had plate-sized flowers. c. a bird that was thought to be extinct. d. New Guinea has a history of several billion years. e. all of these.
Why was the X-ray diffraction photography of Rosalind Franklin and Maurice Wilkins considered critical evidence in the study of DNA?
A. The photographs indicated that DNA has a double helix structure. B. The photographs showed the bases of DNA were held together by hydrogen bonds. C. The photographs revealed the structure of the deoxyribose sugar. D. The photographs showed the location of each adenine, guanine, cytosine, and thymine. E. The photographs showed equal numbers of purines and pyrimidines.
Plasma membrane phospholipids are
a. located mostly in the outer leaflet of the bilayer. b. located mostly in the inner leaflet of the bilayer. c. symmetrically distributed between the two membrane halves. d. asymmetrically distributed between the two membrane halves.
How many ATP are used to start glycolysis for glucose?
What will be an ideal response?