If one pair of electrons is unequally shared between two atoms, a ________ occurs
A) single nonpolar covalent bond
B) double nonpolar covalent bond
C) double polar covalent bond
D) single polar covalent bond
E) hydrogen bond
Answer: D
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________ is a nonreversible condition in which the alveolar air sacs are destroyed.
A. Emphysema B. Bronchiectasis C. Pneumoconiosis D. Pneumothorax
When heart rate increases, the time spent in
A) systole increases. B) diastole increases. C) all phases decreases but most of the decrease is during systole. D) all phases decreases but most of the decrease is during diastole. E) isovolumetric contraction increases.
Which of the following is NOT correctly paired?
a. organic osmolytes and compatible solutes b. counteracting solute and TMAO c. methylamine and proline d. carbohydrate and myo-inositol e. none of these.
Which of the two lungs is larger and wider?
A. The left lung B. The right lung