Protists that have a single flagellum are called ____
a. heterokonts
b. unikonts
c. dikonts
d. euglenoids
e. rhizarians
ANSWER: b
Biology & Microbiology
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Most pinnipeds mate:
a. every two years. b. every four years. c. once in their lifetime. d. annually. e. every three years.
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When macrophages bind antigens, they secrete ____ to attract more phagocytic cells
a. more antigens b. MHC c. cytokines d. antibodies e. complement
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How do archaea differ from bacteria? What will be an ideal response?
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What structural element that is inserted into the major groove of DNA, where it recognizes specific DNA base pair sequences lining the groove, appears to be common to many DNA-binding motifs?
a) a ?-pleated sheet b) an ?-helix c) a double helix d) a random coil
Biology & Microbiology