Select the response that describes a broad-spectrum drug.
A. A drug that is effective against E. coli (Gram-negative) and Staphylococcus aureus (Gram-positive)
B. A drug that is effective against Staphylococcus and Streptococcus (Gram-positive) but not Klebsiella (Gram-negative)
C. A drug that is effective against Gram-negative organisms
D. A drug that is effective against Gram-positive organisms
Answer: A
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All of the following can contribute to
desertification EXCEPT a. drought. b. overplowing. c. overgrazing. d. natural fertilizer. e. All of these can contribute to desertification
Within which peritoneal structure the cystic artery can be found?
A. Hepatoduodenal ligament B. Gastrocolic ligament C. Splenorenal ligament D. Gastrohepatic ligament E. Hepatorenal ligament
Chromatin inside the nucleus are
a. DNA b. RNA c. ATP
If the four cells shown resulted from cell division of a single cell with diploid chromosome number 2n = 4, what best describes what just occurred?
A) normal meiosis
B) translocation
C) inversion
D) nondisjunction