The solvent, cohesive, and temperature stabilization properties of water are primarily due to its ____
a. ability to promote hydrophilic interactions
b. ionic bonds
c. hydrogen bonds
d. ability to promote hydrophobic interactions
e. nonpolar nature
ANSWER: c
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A plasmid that can either exist independently of the chromosome or be integrated into it is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is false?
a. Vitamins A, C, and E may counter some effects of aging. b. Vitamins A, C, and E may protect the immune system. c. Vitamin K lessens osteoporosis in elderly women. d. Those taking certain medications may require vitamin supplements. e. Excessive amounts of all vitamins, especially the fat soluble ones, are beneficial.
Natural killer (NK) cells are a type of:
A. Lymphocyte B. Helper Cell C. Monocyte D. Phagocyte
Which of the following best describes the mental processes that involve memory and an ability to reorganize information?
A. instinctive behavior B. thinking C. imprinting D. conditioned response