An inanimate object that harbors and transmits a pathogen is a
A. reservoir.
B. vector.
C. fomite.
D. carrier.
E. source.
Answer: C
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Instantaneous speciation (select all correct choices)
A. is, by definition, a type of sympatric speciation. B. is typically caused when hybridization between species produces fertile, viable offspring that are reproductively isolated from both parental species. C. often involves the multiplication of chromosome sets, or polyploidy. D. is relatively common in plants but not in animals. E. none of these
Staphylococcus aureus is a common cause of food poisoning in the United States.
Answer the following statement true (T) or false (F)
Lactated Ringer's is a(n) __________ solution because its solute concentration is equal to that of the inside of the cell.
A) colloid B) isotonic C) hypotonic D) crystalloid
If a modern novel life-form were made, what would this tell us about LUCA?
What will be an ideal response?