Which geologist described the age of the Earth as "eternal"?
A) Lamarck B) Lyell C) Malthus D) Aristotle E) Buffon
B
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Cell-to-cell communication by quorum sensing has been shown to be important in the regulation of genes needed for
A. biofilm production. B. plasmid transfer. C. virulence. D. All of the choices are correct.
What is the function of the poly A tail?
A. The poly A tail is required for the termination of translation, it is recognized by the release factor proteins B. The poly A tail is required for the mRNA to resume its double helical structure C. The poly A tail increases mRNA stability in eukaryotes. D. The poly A tail increases mRNA stability in prokaryotes. E. The poly A tail serves as a termination sequence for RNA polymerase III.
Inside its beak an octopus has a rasping tongue that is used to tear apart food. Which gastropod structure is this analogous to?
A. Mantle B. Shell C. Radula D. Nephridium Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about mollusk feeding? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
After a plant has survived a microbial invasion, the rest of the plant is often less vulnerable to future infections. This is
called ____.
a. systemic acquired resistance b. wound defense c. gene-for-gene recognition d. hypersensitive response e. jasmonate response