The cyclic bouts of fever and chills in malaria are caused by ________.
A. white blood cell lysis
B. neurological involvement
C. the timing of the viral life cycle
D. red blood cell lysis
Answer: D
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The molarity of a solution is
A. a measure of solute concentration. B. the weight of a solid substance. C. often expressed as grams per unit volume. D. reflects a measure of the amount of oil dissolved in water. E. a scientific term for determining the solubility of a substance in water.
Molecules or regions of molecules that readily interact with water are said to be ________, whereas molecules or regions of molecules that are insoluble in water or do not readily interact with water are said to be hydrophobic.
Fill in the blank(s) with the appropriate word(s).
Based on the evolutionary tree, which letter represents the common ancestor of animals and
fungi?
a. A b. B c. C d. D
Insertion sequences are ________.
A. are discrete genetic elements bounded at both ends with inverted repeats B. capable of transposition C. normally relatively short (700 to 1,650 bp) D. All of the choices are correct.