Which of the following organisms would MOST likely be sensitive to natural penicillin?
A) helminths
B) Streptococcus pyogenes
C) penicillinase-producing Neisseria gonorrhoeae
D) Penicillium
E) Mycoplasma
B
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Moving from the lumen outward, what is the correct order of layers that make up the lining of the digestive tract?
A. mucosa, submucosa, circular muscle layer, nerve net, longitudinal muscle layer, serosa B. serosa, nerve net, longitudinal muscle layer, circular muscle layer, submucosa, mucosa C. submucosa, mucosa, circular muscle layer, longitudinal muscle layer, nerve net, serosa D. serosa, submucosa, mucosa, longitudinal muscle layer, nerve net, circular muscle layer E. mucosa, circular muscle layer, serosa, nerve net, longitudinal muscle layer, submucosa
All of the chemical reactions used to break down nutrients and build up components within the body are collectively known as
A. anabolism. B. catabolism. C. metabolism. D. proteolysis. E. hydrolysis.
Humans with mutations in the gene encoding AQP1 (aquaporin-1) that cause the absence of AQP1are
characterized by an inability to ____.
a. concentrate urine despite prolonged thirsting d. control sweating b. control edema e. salivate c. make large volumes of dilute urine
All marine mammals:
a. are faster swimmers compared to other marine animals. b. have lungs modified to breathe underwater. c. are aggressive in obtaining food. d. are intelligent compared to other marine animals. e. have baleen.