A _________ contains no organelles and is basically a protein coat that covers a DNA or RNA strand.
A. bacterium
B. fungus
C. virus
D. mold
Answer: C
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A very effective method of taking out glass in upper-level windows, especially in private dwellings, is by the use of a portable ground ladder.
Answer the following statement true (T) or false (F)
Which of the following substances causes pain?
a. prostaglandins b. cholesterol c. triglycerides d. corticosteroids
A pause that occurs after an ectopic beat in which the SA node is unaffected and the cadence of the heart is uninterrupted is called:
A. junctional pause. B. noncompensatory pause. C. atrial pause. D. compensatory pause.
Fecal specimens placed in fixative:
A. should be handled wearing gloves B. can still contain viable parasites C. should be transported in special containers D. all of the above (a-c)