During which period did the super continent Gondwana move towards the South Pole?
Answer: Ordovician
Biology & Microbiology
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Opsonizing antibodies must be against ________ components if they are to effectively stimulate phagocytosis.
A. internal B. phagocytic C. protein D. surface
Biology & Microbiology
A bacterium with three flagella at one end of the cell has __________ flagella
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
________ pathways are those that function both catabolically and anabolically.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Of the following hominin species, from which did H. sapiens derive?
a. H. habilis b. H. rudolfensis c. H. heidelbergensis d. H. ergaster e. H. erectus
Biology & Microbiology