One sign of yellow fever is that the whites of the eyes and the skin gain a yellowish tint. Given just this information, you can surmise that the cells of which organ are most likely being destroyed?
A) stomach B) liver C) eyes D) pancreas
Answer: B
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Meiosis is much like two rounds of mitosis, with what important difference?
1.The chromosomes do not condense. 2.It is not followed by cytokinesis. 3.It is not preceded by interphase. 4.There is no interphase between the mitotic events.
If you needed to differentiate between S. epidermidis and S. saprophyticus, which of the following types of media should you use?
A) m-Staphylococcus Broth B) Blood Agar C) Mannitol Salt Agar
Avery and his coworkers showed that the agent responsible for changing nonvirulent bacteria into virulent bacteria was
A. RNA. B. DNA. C. lipid. D. protein. E. polysaccharide.
Which large group of animals consists largely of osmoconformers?
A. marine invertebrates B. bony fish C. mammals D. insects E. amphibians