Which of the following statements is/are TRUE? (i.e. select ONLY the answer(s) t

Question

Which of the following statements is/are TRUE?

(i.e. select ONLY the answer(s) that is/are TRUE.)

1. RNA polymerase does not require primer to initiate the process of assembly of nucleotide triphosphates. This is in contrast to DNA replication, where primer is required at initiation.

2. The molecule Poly-A polymerase is responsible for addition of the Poly-A sequence to the end of an mRNA molecule.

3. The addition of a Poly-A tail on the end of a transcript happens because of the transcription of the Poly-T signal from the corresponding gene.

4. RNA polymerase requires a primer to initiate the assembly of nucleotide triphosphates. This is identical to the requirement for DNA replication.

5. Post-transcriptional modification of the 3' ends of eukaryotic mRNA occurs prior to splicing and outside the nucleus.

6. Post-transcriptional modification of the 3' ends of eukaryotic mRNA occurs prior to splicing and inside the nucleus.

7. Post-transcriptional modification of the 3' ends of eukaryotic mRNA is known as polyadenylation.

1. RNA polymerase does not require primer to initiate the process of assembly of nucleotide triphosphates. This is in contrast to DNA replication, where primer is required at initiation.

2. The molecule Poly-A polymerase is responsible for addition of the Poly-A sequence to the end of an mRNA molecule.

3. The addition of a Poly-A tail on the end of a transcript happens because of the transcription of the Poly-T signal from the corresponding gene.

4. RNA polymerase requires a primer to initiate the assembly of nucleotide triphosphates. This is identical to the requirement for DNA replication.

5. Post-transcriptional modification of the 3' ends of eukaryotic mRNA occurs prior to splicing and outside the nucleus.

6. Post-transcriptional modification of the 3' ends of eukaryotic mRNA occurs prior to splicing and inside the nucleus.

7. Post-transcriptional modification of the 3' ends of eukaryotic mRNA is known as polyadenylation.

Explanation / Answer

1. True

RNA polymerase activity will take place only in the presence of primer or template.

2. True.

A process known as polyadenylation.

3. False.

4. False

5. False

6. True

7. True

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