Biology Chapter on Transcription

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Questions and Answers

Which of the following is NOT a step in Transcription?

  • Replication (correct)
  • Initiation
  • Elongation
  • Termination

In what direction is RNA synthesized during Transcription?

  • 5' to 3' (correct)
  • 3' to 5'
  • Right to left
  • Left to right

What is the role of a promoter in Transcription?

  • To ensure the stability of the RNA transcript
  • To bind to the RNA transcript and initiate the synthesis of protein
  • To signal the end of the RNA transcript
  • To provide a binding site for RNA polymerase and initiate transcription (correct)

What is the difference between Uracil and Thymine?

<p>Uracil is found in RNA and Thymine is found in DNA (A)</p> Signup and view all the answers

What is the function of a terminator sequence during Transcription?

<p>It acts as a signal for RNA polymerase to stop the process of Transcription. (B)</p> Signup and view all the answers

What is the role of the terminator sequence in DNA?

<p>It signals the end of transcription for some genes. (A)</p> Signup and view all the answers

What is the function of RNA polymerase in the process of transcription?

<p>It reads the DNA template and creates a complementary RNA strand. (C)</p> Signup and view all the answers

Which type of RNA is responsible for carrying the genetic code from DNA to the ribosomes?

<p>mRNA (C)</p> Signup and view all the answers

Which of the following statements regarding the synthesis of RNA is accurate?

<p>RNA polymerase adds nucleotides to the 3' end of the growing RNA strand. (B)</p> Signup and view all the answers

What is the role of tRNA in protein synthesis?

<p>It carries individual amino acids to the ribosome. (A)</p> Signup and view all the answers

Flashcards

Terminator

A DNA sequence signaling the end of transcription.

RNA polymerase

An enzyme that adds nucleotides to build RNA during transcription.

Transcription

The process of creating RNA from a DNA template.

mRNA

Messenger RNA that carries genetic information for protein synthesis.

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tRNA

Transfer RNA that carries amino acids for protein synthesis.

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Direction of RNA synthesis

RNA is synthesized in the 5' to 3' direction, opposite to DNA synthesis.

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Promoters

Regions in DNA where RNA polymerase binds to initiate transcription.

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Termination in transcription

The process where RNA polymerase stops and releases the newly synthesized RNA.

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