★ DNA and RNA Structures Quiz
What is the role of RNA polymerase during transcription?
A. It unwinds the DNA double helix.
B. It synthesizes a complementary RNA strand from a DNA template.
C. It splices introns from the pre-mRNA.
D. It transports mRNA to the ribosome.
Preview next quiz:
Which of the following correctly describes the structure of DNA?
A. Single-stranded helix
B. Double-stranded helix
C. Triple-stranded helix
D. Quadruple-stranded helix
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