Transcription factors include ______________.
A. promoters and insulators
B. silencers and enhancers
C. activators and repressors
D. activators, repressors, and translational factors
E. enhancers and repressors
Answer: C
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After years of listening to loud music on headphones, the cilia on Bob's hair cells are damaged. What is the result?
Hair cells are delicate sensors of sound, movement, and gravity. Since they are stimulated by movement of the stereocilia and kinocilium, these structures are vulnerable to damage when stimulus is too strong or sustained. A. vestibular problems B. hearing loss C. vision problems D. taste hallucinations
Which of the following best describes the type of bacteria found in your guts?
a They are less similar to that of your family than to people unrelated to you, and are not unique to you. b. They are less similar to that of your family than to people unrelated to you, but are still unique to you. c. They are more similar to that of your family than to people unrelated to you, and are not unique to you. d. They are more similar to that of your family than to people unrelated to you, but are still unique to you.
Which one of the following functional groups increases the solubility of organic compounds in water?
A. -SH B. -COOH C. -COH D. -NH2 E. all of the above
The structure that forms most of the flesh of an apple is the
a) petal. b) ovary. c) stamen. d) carpel. e) sepal.