Hydrogen bonds form between molecules containing ________ bonds; the hydrogen bond is between a hydrogen atom of one molecule and a partially ________ charged atom of another.
A. nonpolar covalent; positively
B. ionic; positively
C. nonpolar covalent; negatively
D. polar covalent; positively
E. polar covalent; negatively
Answer: E
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Which muscle would be most essential for blowing a trumpet?
A. Masseter B. Platysma C. Frontalis D. Zygomaticus major E. Buccinator
Osmotic pressure resulting from presence of plasma proteins in blood is called ________ pressure.
A) oncotic B) colloid osmotic C) oncotic and colloid osmotic D) colloid osmotic and hydrostatic E) hydrostatic
__________ cells constrict the afferent arterioles and secrete renin.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT true of farsightedness?
A. A convex lens is used to correct farsightedness. B. It is caused by the eyeball being too long. C. When a person is farsighted, distant objects are clear, but close objects look blurry. D. It is also called hyperopia. E. All of these are true of farsightedness.