Scientists supporting phyletic gradualism explain any period of stasis in the fossil record as stabilizing selection
___________ Indicate whether the statement is true or false.
True
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The bacterial Shine-Dalgarno mRNA sequence is:
A. a translation termination signal. B. the ribosomal binding site. C. a translational elongation factor. D. a protein coding region.
Why are toxins more concentrated in sediments than in the overlying water column?
What will be an ideal response?
Which of the following are threatened by red
imported fire ants?
a. native ant populations b. ant-eating lizards c. ground-nesting birds d. native plants e. all of these
To best isolate mutant bacteria that are threonine auxotrophs from a larger population, threonine-rich media should be inoculated and any colonies that form are presumptive auxotrophic mutants.
Answer the following statement true (T) or false (F)