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Transcription Quiz

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Questions and Answers

During transcription, what is the role of the template strand of DNA?

It has an identical base sequence to the RNA synthesized

It is the non-coding strand

It codes for the amino acid sequence of the protein

It serves as the basis for RNA synthesis (correct)

What is the function of RNA polymerase during transcription?

It codes for the amino acid sequence of the protein

It translates RNA into protein

It catalyzes the synthesis of RNA from the DNA template strand (correct)

It splices the exons and introns

What is the composition of an exon in a protein-coding gene?

Intervening sequence

RNA synthesis sequence

Non-coding sequence

Protein coding sequence (correct)

Which strand of DNA has an identical base sequence to the RNA synthesized during transcription?

<p>Coding strand</p> Signup and view all the answers

What is the general process that occurs after transcription in the expression of most genes?

<p>Translation</p> Signup and view all the answers

Study Notes

Transcription

The template strand of DNA serves as a blueprint for RNA synthesis, providing the sequence of nucleotides to be copied into RNA.
RNA polymerase, the central enzyme of transcription, reads the template strand and matches the incoming nucleotides to the base pairing rules, adding them to the growing RNA chain.

Gene Composition

An exon is a sequence of nucleotides within a protein-coding gene that is retained in the mature RNA and is eventually translated into protein.

RNA Synthesis

The newly synthesized RNA has a base sequence complementary to the template strand of DNA, but identical to the non-template strand.

Post-Transcriptional Processing

After transcription, the primary transcript undergoes several processing steps, including splicing, capping, and polyadenylation, to form a mature RNA molecule.

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Description

Test your knowledge of transcription with this quiz. Explore the general principles, steps involved, and the components of protein-coding genes. See how much you know about RNA synthesis and transcriptional control elements.