Haustoria
A. are a form of parasitic protozoan.
B. refers to the reproductive structure formed by slime molds.
C. are specialized hyphae used by parasitic fungi.
D. are the reproductive form of protozoans.
C
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Kinases are enzymes that
A) add phosphate groups. B) do not alter target activity. C) are always inhibitory. D) remove phosphate groups. E) all of the above
What is a property of a pathogenic bacterium?
A) It may produce a protein that interferes with basic cellular functions. B) All strains of the same species are also pathogenic. C) It probably conducts photosynthesis. D) It is resistant to all antibiotics.
Restriction enzymes
1.are produced by human cells. 2.cleave RNA. 3.cleave DNA. 4.are man made. 5.were discovered in the 1940s.
Which of the following can cause primary immunodeficiencies?
A) aging B) medical interventions C) infectious agents D) systemic disorders E) congenital immunodeficiency