The equalization of pressures between the ear and throat is made possible by the
a. pharynx.
b. Eustachian tube.
c. cupula.
d. semicircular canals.
e. round window.
B
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Glycerol forms the backbone of ____
a. triglycerides only b. polysaccharides and nucleic acids c. nucleic acids only d. polypeptides only e. triglycerides and phospholipids
The ____________________ impart flexibility to the backbone. Fill in the blank(s) with the appropriate word(s)
Suppose that your mother has albinism, which is a recessive trait. Also suppose your father has cystic fibrosis, which is also caused by a recessive trait. And you learn that your father-in-law has albinism and cystic fibrosis. What are the odds that your first child will have either albinism or cystic fibrosis, but NOT both?
a. 3 in 8 b. 1 in 4 c. 1 in 8 d. 1 in 16
Which of the following is used to treat sporotrichosis?
A) penicillin B) sulfonamide C) trifluridine D) oral potassium iodide E) acyclovir