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During the elongation phase of transcription, how is RNA polymerase able to "read" the DNA sequence of bases? O a. The RNA polymerase rotates like a corkscrew around the DNA helix - reading the sequence of bases while the two DNA strands remain completely hydrogen-bonded together. O b. The two DNA strands are temporarily reversed, so that the sugar-phosphate backbones are next to each other and the bases point outwards, allowing RNA polymerase to read the base sequence. O c. An enzyme complex unwinds and separates the two DNA strands down the full length of the gene (~1000-3000 bases), so that the RNA polymerase can travel smoothly along the template strand. O d. The RNA polymerase can separate the two strands of DNA as it travels, creating a small "window" between the strands, so it can read the template strand and create the complementary RNA copy.

During the elongation phase of transcription, how is RNA polymerase able to "read" the DNA sequence of bases? O a. The RNA polymerase rotates like a corkscrew around the DNA helix - reading the sequence of bases while the two DNA strands remain completely hydrogen-bonded together. O b. The two DNA strands are temporarily reversed, so that the sugar-phosphate backbones are next to each other and the bases point outwards, allowing RNA polymerase to read the base sequence. O c. An enzyme complex unwinds and separates the two DNA strands down the full length of the gene (~1000-3000 bases), so that the RNA polymerase can travel smoothly along the template strand. O d. The RNA polymerase can separate the two strands of DNA as it travels, creating a small "window" between the strands, so it can read the template strand and create the complementary RNA copy.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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During the elongation phase of transcription, how is RNA polymerase able to "read" the DNA sequence of bases? O a. The RNA polymerase rotates like a corkscrew around the DNA helix - reading the sequence of bases while the two DNA strands remain completely hydrogen-bonded together. O b. The two DNA strands are temporarily reversed, so that the sugar-phosphate backbones are next to each other and the bases point outwards, allowing RNA polymerase to read the base sequence. O c. An enzyme complex unwinds and separates the two DNA strands down the full length of the gene (~1000-3000 bases), so that the RNA polymerase can travel smoothly along the template strand. O d. The RNA polymerase can separate the two strands of DNA as it travels, creating a small "window" between the strands, so it can read the template strand and create the complementary RNA copy.
Transcribed Image Text:During the elongation phase of transcription, how is RNA polymerase able to "read" the DNA sequence of bases? O a. The RNA polymerase rotates like a corkscrew around the DNA helix - reading the sequence of bases while the two DNA strands remain completely hydrogen-bonded together. O b. The two DNA strands are temporarily reversed, so that the sugar-phosphate backbones are next to each other and the bases point outwards, allowing RNA polymerase to read the base sequence. O c. An enzyme complex unwinds and separates the two DNA strands down the full length of the gene (~1000-3000 bases), so that the RNA polymerase can travel smoothly along the template strand. O d. The RNA polymerase can separate the two strands of DNA as it travels, creating a small "window" between the strands, so it can read the template strand and create the complementary RNA copy.
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