9/4/2023 0 Comments Khan academy molecular biologyThe overview above depicted components of transcription regulation. Transcription is happening throughout your body all of the time, but not every gene is constantly being transcribed in every cell it is regulated by different proteins and depends on which proteins your body needs in which cells. By “regulation”, we mean that certain proteins are needed for transcription to start and some proteins can even prevent transcription from happening. At the beginning of the following video, you will see that transcription is regulated by a variety of proteins. Let’s first look at a basic overview of what the process of transcription looks like. The Process of Transcription: A First Look Transcription is the process of creating an mRNA sequence by “reading” the DNA sequence. Please see the previous chapter for a general overview of transcription and DNA and RNA bases before continuing to read this chapter. This chapter focuses on how transcription works that is, how information coded in the DNA molecule is read to create an mRNA sequence. Explain which gene-expression regulatory factors are at play for transcription.Recognize that protein synthesis regulation (i.e., changes in gene expression) allow cells to respond to changes in the environment.Describe the role of polymerase in transcription.Explain how DNA is transcribed to create an mRNA sequence.Explain the processes necessary for transcription to begin.
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