The (endospores/cysts/prions) are the infectious agents most resistant to antimicrobial agents or processes
What will be an ideal response?
prions
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Folding domains typically range in length from ____________ amino acids
A. 1,000 to 1,5000 B. 10 to 20 C. 200 to 275 D. 50 to 80 E. 25 to 100 or more
Which of the following statements is TRUE of restriction enzymes?
A. They are not naturally produced by bacteria, but are bioengineered by them. B. They protect bacterial cells from invasion by foreign DNA. C. There are less than 10 restriction enzymes known. D. They cleave the DNA backbone at only one location. E. They cleave DNA only at sites of adjacent thymine bases.
Answer the following statements true (T) or false (F)
1. In an open circulatory system, there is no difference between blood and interstitial fluid. 2. Relative to closed circulatory systems, Open Circulatory Systems pump hemolymph at relatively high pressure. 3. Blood is typically delivered to respiratory structures at low pressures in closed circulatory systems. 4. Frogs have two atria, but only a single ventricle.
Ivonna, 15, was exposed to the measles virus 13 days ago but doesn't seem to be getting sick. She was sick from the disease when she was 10, so her body has most likely activated this reaction
A) secondary response B) primary response C) final response D) anabasic