In transcriptional control in eukaryotic cells
A. enhancers may be involved in the promotion as well as regulation of gene transcription.
B. a different combination of DNA-binding proteins (transcriptional factors) may regulate the activity of a particular gene.
C. the control may be due to the phosphorylation of transcriptional factors by a kinase.
D. All of the choices are correct.
E. Only two of the choices are correct.
Answer: D
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You are studying a novel protein. To learn more about it, you performed a screen in yeast to identify proteins that could interact with it. From the screen you got a clone for a second gene. You had the clone sequenced, and you translated the gene sequence on your computer. What is the next logical step to learn more about the function of these two proteins?
A. Run a BLAST search. B. Identify the intron/exon organization. C. Localize the gene to a specific chromosomal region. D. Search the human genome sequence for your clone. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about sequence analysis? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
The rotation of bacterial flagella is powered by ATP hydrolysis.
Answer the following statement true (T) or false (F)
How many molecules of water are used to completely hydrolyze a polymer that is 11 monomers long?
A) 12 B) 11 C) 10 D) 9
All of these flower structures are modified leaves EXCEPT
A) sepals. B) petals. C) stamens. D) carpels. E) pollen.