After RNA polymerase binds to the promoter sequence and causes the adjacent double-strand DNA to
unwind, only one strand can be used as the template for RNA formation. Indicate whether the statement is true or false.
T
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The correct order for the stages of a phage infection is
A. penetration, transcription, attachment, replication of nucleic acid and protein, assembly, release. B. attachment, penetration, transcription, replication of nucleic acid and protein, assembly, release. C. attachment, replication of nucleic acid and protein, penetration, transcription, assembly, release. D. transcription, attachment replication of nucleic acid and protein, assembly, penetration, release.
Three-year old Ben’s parents are ecstatic because he is now using the potty each time he needs to defecate. What muscle has Ben learned to control?
A. the cardiac sphincter made of striated muscle B. the pyloric sphincter made of smooth muscle C. the Sphincter of oddi made of smooth muscle D. the internal anal sphincter made of smooth muscle E. the external anal sphincter made of striated muscle Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the voluntary control of defecation? 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? 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?
Thigmotropism is a growth response to
a. light. b. day length. c. contact with a solid object. d. circadian rhythms. e. gravity.
Which organelles settle on the bottom of gravity-sensing cells?
a. vacuoles b. hormone c. lysosomes d. statoliths e. starch-heavy granules