Why are most cells so tiny?
What will be an ideal response?
Cells get their nutrients and oxygen by simple diffusion. The larger a cell is, the more volume it has, and the more difficult it is for it to rapidly receive nutrients in its interior.
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The bony movable ?ap that covers the gills and gill slits is called the
(a) operculum. (b) cranium. (c) tympanum. (d) colon.
Which of the following is most likely to occur when a tumor-suppressor gene is mutated?
A. The tumor-suppressor gene may be overactive. B. The resulting tumor-suppressor protein would further suppress cell proliferation. C. The resulting tumor-suppressor protein would activate an oncogene. D. The tumor-suppressor gene and resulting protein may lose its function and ability to suppress cell proliferation. E. None of the choices are possible.
Formal statements of aspirations, principles, guidelines, and rules for corporate behavior are known as:
A) norms. B) corporate campaigns. C) soft laws. D) codes of conduct.
Tendency to rely too heavily on one trait or piece of information when making decisions is called ____ .
Fill in the blank(s) with the appropriate word(s).