Halophilic bacteria prefer environments with
A) High salt concentrations
B) Acidic environments
C) Humans cells
D) Low oxygen
A) High salt concentrations
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Many factors bind around the core promoter to form the eukaryotic initiation complex, but the most important one is ________, which directly binds the TATA box.
A. TFIIH B. TFIID C. TFIIE D. TAF E. TFIIF F. TFIIA G. TFIIB
What property of Archaea differentiates it from bacteria?
A) They live in the soil. B) The lack of peptidoglycan. C) The lack of a nucleus. D) They are noncellular.
Some complement proteins
A) induce antibody formation by phagocytic cells. B) help trigger the inflammatory response. C) are released by natural killer cells to attack cancer and virus-infected cells. D) replace T cells in the cell-mediated response.
All organisms living together in a place are called a(n)
A. ecosystem. B. population. C. species. D. community.