Suppose that the osmotic response element is in a promoter joined to the coding region of luciferase,
and this composite gene is in cultured renal medulla cells. The cells should glow when they are placed
in a medium that is ____ to the cells.
a. hyperosmotic
b. hypoosmotic
c. hypoosmotic or isoosmotic
d. isotoosmotic
e. hyperosmotic or isotoosmotic
A
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Different genotypes for the CYP2D6 gene produce significantly different responses to tamoxifen, the medication often used to treat ____________________
Fill in the blank(s) with correct word
Nocardia spp. form branched filaments that extend along the agar surface, which are called _____ hyphae
a. surface b. substrate c. aerial d. topical
The opossum and kangaroos are examples of living members of which of the following mammalian
lineages?
a. Strepsirhini b. monotremes c. Rodentia d. Haplorhini e. marsupials
The "endosymbiont theory" states that eukaryotic cells work together to form a multicellular organism.
a. true b. false