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test 1 (2 References Mailinga Review View Help 1 Normal 1 No Spac... Heading 1 H

ID: 196530 • Letter: T

Question

test 1 (2 References Mailinga Review View Help 1 Normal 1 No Spac... Heading 1 Heading2 Title Paragraph Styles 12. Regulatory sequences of a gene control where, when and how actively a gene is transcribed Which of the following is NOT a regulatory sequence of a gene? (1 point) A. Promoter B. Enhancer C. Sileacer D. RNA 3 -poly (A) tail 13. Different combination of transcription factors can bind to an enhancer, whether an enhancer can activate gene transcription in a specific cell depends on the specific combination ofit is associated with. (1 point) 14. Which of the following are functions of enhancers (multiple answers): (2 points) A. RNA polymerase is recruited to and stabilized on the promoter by enhancer B. Enhancers control when and where a promoter can be used and how much gene product to make C. Enhancers control the efficiency and rate of transcription from a specific promoter D. Enhancers determine the splicing sites of introns and exons 15. The properties of master regulator transcription factors inchude (multiple answers): (2 points) A: Have the power to control cell differentiation B: Must regulate the expression of genes for a specific cell type C: Must regulate the expression of genes for all cell types D: Must be able to redirect a cell's fate to a specific cell type

Explanation / Answer

Answer 12. D RNA 3' poly (A) tail

Answer 13. 50–1500 bp (nitrogenous base pair)

Answer 14. B & C

Answer 15. A & D