Which term can be applied to all of the vertebrates except for the jawless fish?
A. Endothermic
B. Amniotes
C. Tetrapods
D. Gnathostomes
Answer: D
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It’s the ninth inning, and the bases are loaded. As the pitcher winds up to throw the ball, how does each tissue in his arm contribute to this critical pitch? The ___________ of his fingers grips the ball. His __________ sends instructions that trigger his ___________ to contract. His ______________ provides stability and transmits the force produced.
A. ectoderm; ectoderm; mesoderm; endoderm B. connective tissue; nerve tissue; muscle tissue; epithelial tissue C. epithelium; ectoderm; mesoderm; endoderm D. epithelial tissue; nerve tissue; muscle tissue; connective tissue
The female fetal pig is similar to the male fetal pig in that its body
a. has separate openings for the urinary system and the reproductive system. b. has a common opening for the urinary system and the reproductive system. c. has an opening for the urinary system but none for the reproductive system. d. has an opening for the reproductive system but none for the excretory system.
A 17-year-old boy has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This infection is caused by
A) Acanthamoeba. B) herpes simplex virus. C) Propionibacterium acnes. D) Staphylococcus aureus. E) Streptococcus pyogenes.
Pseudomonas aeruginosa is one of the most notoriously resistant pathogens. Which of the following mechanisms does this bacteria use to evade antimicrobials?
A) target alterations B) reduced permeability C) efflux pumps D) drug inactivation E) This bacteria uses all of the possible ways to evade antimicrobials, which is why it is so good at it.