The RNA polymerase enzyme binds to , initiating transcription.a. amino acids;b. tRNA;c. the promoter sequence;d. the ribosome
Verified step by step guidance
1
Identify the role of RNA polymerase in the process of transcription.
Understand that transcription is the process of copying a segment of DNA into RNA.
Recognize that RNA polymerase needs to bind to a specific region on the DNA to start transcription.
Learn that this specific region is known as the promoter sequence, which signals the start of a gene.
Conclude that the correct answer is the option that describes where RNA polymerase binds to initiate transcription.
Was this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Transcription
Transcription is the process by which the genetic information encoded in DNA is copied into messenger RNA (mRNA). This process is essential for gene expression, allowing the information in genes to be translated into proteins. It occurs in the nucleus of eukaryotic cells and involves several key steps, including initiation, elongation, and termination.
RNA polymerase is an enzyme that plays a crucial role in the transcription process. It binds to the DNA at the promoter region and synthesizes RNA by adding ribonucleotides complementary to the DNA template strand. There are different types of RNA polymerases in eukaryotes, each responsible for synthesizing different types of RNA, such as mRNA, rRNA, and tRNA.
The promoter sequence is a specific region of DNA located upstream of a gene that serves as the binding site for RNA polymerase. It contains essential elements that regulate the initiation of transcription, including transcription factor binding sites. The presence and structure of the promoter determine when and how efficiently a gene is transcribed into RNA.