The type III bacterial protein secretion machinery
A. includes structural features that may be evolutionarily related to the basal bodies of bacterial flagella.
B. has a needlelike structure through which proteins are secreted.
C. is found in gram-negative bacteria.
D. All of the choices are correct.
Answer: D
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Indicate whether the statement is true or false.
In cases of malaria, the primary exoerythrocytic cycle occurs in the:
a. blood. b. lung. c. liver. d. lymph nodes.
As much as 50 percent of a soil’s volume is
a. air. b. iron. c. manganese. d. water.
________ uses a blastomere biopsy to obtain a cell to test for genetic and chromosomal abnormalities.
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