Virulence determinants of Helicobacter pylori include which of the following?
A. Motility
B. Urease enzyme
C. Adhesions
D. all of the above are correct
Ans: D. all of the above are correct
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Koplik's spots are small red lesions with a white center that form in the mouth and are associated with ________.
A. mumps B. chickenpox C. measles D. flavivirus infection
Which of the following groups include organisms that are a key source of food in all aquatic environments and whose fossilized forms are used as a filter and as a grinding and polishing agent?
A) diatoms B) brown algae C) amoebas D) dinoflagellates
The only division of Fungi that contains human pathogens is the Deuteromycota.
Answer the following statement true (T) or false (F)
If an individual exhibits a recessive trait, which of the following statements can you be sure of?
A) Any children this individual has will always exhibit the trait, regardless of the genotype of the other parent. B) Any siblings of this individual will have the same phenotype for this trait. C) The phenotype for this trait is different from the phenotype of the homozygous dominant genotype for this trait. D) Both parents of this individual had the same genotype for this trait. E) The genotype of this trait will be heterozygous.