What is the passive movement of water along a concentration gradient?
a. osmosis
b. cotransport
c. plasmolysis
d. simple diffusion
e. facilitated diffusion
a
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Which of the following statements about RNA polymerase in bacteria is INCORRECT?
A. It binds the promoter region of a gene. B. It is bound to a sigma factor during initiation of transcription. C. It synthesizes RNA. D. It catalyzes the addition of nucleotides to the 5? end of a growing RNA strand. E. It dissociates from the DNA at the terminator.
The plasma membrane
A. is composed of an extracellular and intracellular layer of phospholipids. B. has extracellular and intracellular layers or leaflets that are highly symmetrical. C. uses cholesterol as its primary lipid. D. contains cellulose.
The neural circuit that allows a male stickleback fish to orient and behave aggressively towards an inanimate object with a red stripe is an example of a(n)
A. sign stimulus. B. fixed action pattern. C. innate releasing mechanism. D. supernormal stimulus. E. stimulus-response chain. 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 behavior in stickleback fish? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection 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?
Based upon the age structure diagram, you expect the Indian population to
A. shrink. B. stay constant. C. grow and then stabilize D. grow exponentially.