Which of the following is not required for transcription?

Question

BlackTom AI · Accepted Answer

Let’s break down the components typically required for transcription and examine each option in turn.
Option 1: ribonucleotides. These are the building blocks of the RNA transcript. During transcription with RNA polymerase, ribonucleoside triphosphates (rNTPs) are incorporated into the growing RNA strand, so ribonucleotides are indeed required.
Option 2: DNA template. Transcription uses a DNA template strand to guide the sequence of the RNA being synthesized. Without a DNA template, transcription cannot proceed, so this is required.
Option 3: RNA primers. In transcription, there is no need for short RNA primers to start synthesis. Unlike DNA replication, RNA polymerases can initiate RNA synthesis de novo without a pre-existing primer. Therefore RNA primers are not required for transcription.
Option 4: RNA polymerase. The enzyme RNA polymerase is the molecular machine that catalyzes the formation of the RNA strand from the DNA template, so its presence is essential for transcription.
In summary, nucleotides (ribonucleotides), a DNA template, and the RNA polymerase enzyme are all necessary for transcription, whereas RNA primers are not required in this process.

BIOL_2004_81774_202509 Homework 3

Which of the following is not required for transcription?

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BIOL_2004_81774_202509 Homework 3

Which of the following is not required for transcription?

查看解析

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类似问题

What is the process of transcription?

Eukaryotic transcription is different than bacterial transcription because eukaryotic transcription ________.

The enzyme responsible for the synthesis of mRNA is

A template strand of DNA reads 3' C T G A 5'. The RNA transcript of this strand would read

What is the process of transcription?

What is the mRNA complement to the DNA template 5’-CGCATGTAGCGA-3’?

Question at position 3 In eukaryotes, RNA polymerase binds to a _____________ called the ____________ region.sequence of DNA;transcriptsequence of DNA; promoterprotein; promoterNone of the above, eukaryotes do not use RNA polymeraseprotein: transcriptClear my selection

Which of the following is not involved in the process of transcription? Choose the best answer.

更多留学生实用工具

希望你的学习变得更简单

Question at position 3 In eukaryotes, RNA polymerase binds to a _ called the region.sequence of DNA;transcriptsequence of DNA; promoterprotein; promoterNone of the above, eukaryotes do not use RNA polymeraseprotein: transcriptClear my selection