What protein influences the ability of RNA polymerase to transcribe genes?
A. DNA polymerases
B. DNA helicases
C. transcription factors
D. snRNPs
E. tRNA
C. transcription factors
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According to your text, the gap in per capita gross national income between the world's 10 most and least prosperous countries is closing, from 70 times to only 20 times as great
Indicate whether this statement is true or false.
Why are children often told that if they eat too much candy their teeth will fall out?
A. Sugar attacks tooth enamel. B. Sugars gradually replace the tooth enamel. C. Bacteria use the sugar to make ATP. This fermentation process produces acids as a by-product. D. Bacteria secrete acids in order to digest the sugar molecules. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know sugars? How does it relate to the question? · What other information is related to the question? Which information is most useful? 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?
As members of the class of animals called vertebrates, humans have which characteristics?
Why do the centromeres of sister chromatids stay firmly connected during anaphase I?
a) The proteins of the centromere region are impervious to lipase digestion. b) The cohesin situated at the centromeres is digested by nucleolytic enzymes. c) The DNA of the centromeres is hydrolyzed by proteolytic enzymes. d) They are fused together at the level of their double helices. e) The cohesin situated at the centromeres is protected from proteolytic attack.