What type of cells do the apicomplexan parasite Plasmodium infect?
a. blood only
b. liver only
c. brain only
d. both blood and liver
e. blood, liver, and brain
ANSWER: d
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The transcribed and translated region of a gene is the ________ region.
A. coding B. trailer C. promoter D. leader
In seed plants the embryo develops inside the seed, which allows for:
A. less dispersal of the sporophyte generation. B. the development of dormancy. C. the dominance of the gametophyte generation. D. nutrient reserves for the developing embryo. E. greater protection for the developing embryo. F. the development of dormancy as well as nutrient reserves and greater protection for the developing embryo.
A 37-year-old man traveling through South America has a sudden onset of fever, severe headache, and chills. A macropapular rash develops on his trunk, which then spreads to his face and extremities. The vector transmitting this disease is most likely:
a. ticks. b. mosquitos. c. lice. d. sandflies.
How are repressor levels maintained in the lysogenic state?
What will be an ideal response?