Pseudomonas is an enteric gram-negative rod.
a. true
b. false
b. false
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A main function of most types of epithelial tissue is ________
A) sensation B) support C) covering surfaces D) absorption
A doctor's office has run out of the latest flu vaccine, but many patients are asking for it. One of the nurses finds some vials from last year's batch in a refrigerator. Should they be used?
A. Yes, because the preservatives and refrigeration ensure that the vaccine is still fresh. B. No, because each year the technology to make a good vaccine improves. C. Maybe - the vaccine should be mixed in a test tube with the virus to see if it still inactivates it. D. No, because each year the vaccine is made against different subtypes of the flu virus.
Schwann cells are a type of neuroglia located outside of the brain.
Answer the following statement true (T) or false (F)
After processing of pre-mRNAs is complete, some regions are retained in finished mRNAs. What are these regions called?
a. exons b. snRNPs c. UTRs d. domains