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How do activators and repressors differ in their mechanisms of gene regulation?
Activators and repressors are both proteins that control gene expression, but they work in opposite ways. Activators enhance gene expression by binding to specific DNA sequences and promoting transcription, while repressors inhibit gene expression by binding to DNA and blocking transcription. In summary, activators increase gene expression, while repressors decrease it.
What does the operon model attempt explain?
The operon model attempts to explain how genes are regulated in prokaryotic cells. It describes how genes are grouped together into operons, which are clusters of genes that are transcribed together as a single mRNA molecule. The model also explains how the expression of these operons is controlled by regulatory elements such as promoters, repressors, and activators.
Are promoters cis or trans-acting in gene regulation?
Promoters are cis-acting in gene regulation.
What are promoters made of?
Promoters are made of DNA sequences that are typically located upstream of a gene. These sequences contain specific binding sites for transcription factors, which help regulate the initiation of gene transcription by RNA polymerase. Promoters play a critical role in gene expression by controlling when and how much of a gene is transcribed into RNA.
Are promoters signals in RNA that indicate RNA polymerase when to begin transcription?
Yes, promoters are specific sequences in DNA that signal RNA polymerase where to bind and start transcription of a gene into RNA. Promoters contain regions recognized by RNA polymerase, which initiate the transcription process.
Repressors block binding of RNA polymerases by attaching to?
PROMOTERS
Which are used more often in prokaryotes and eukaryotes activators or repressors?
Both activators and repressors are used in both prokaryotes and eukaryotes to regulate gene expression. However, activators are more commonly used in eukaryotes, while repressors tend to be more prevalent in prokaryotes.
How do activators and repressors differ in their mechanisms of gene regulation?
Activators and repressors are both proteins that control gene expression, but they work in opposite ways. Activators enhance gene expression by binding to specific DNA sequences and promoting transcription, while repressors inhibit gene expression by binding to DNA and blocking transcription. In summary, activators increase gene expression, while repressors decrease it.
Promoters are what?
What are the scientific word promoters?
What turns the lac operon off and off?
Repressors
Why is goodwill account debited when company issues shares to promoters?
Promoters are the pioneer investors of a company. It can be said that due to the promoters the company has come this far. So, promoters do deserve some credibility and they get goodwill. Goodwill is debited and the promoters capital is credited. Thus, the promoters don't bring in cash for their increased share. But if, the goodwill has already been created before and the promoters have got their share, promoters need to bring cash for additional share.
When was Janky Promoters created?
Janky Promoters was created on 2009-10-16.
When was Janky Promoters released?
Janky Promoters was released on 10/16/2009.
What was the Production Budget for Janky Promoters?
The Production Budget for Janky Promoters was $10,000,000.
Where can one find information on stock promoters?
There is plenty of information available on stock promoters. Check out a site such as stockpromoters, which will have the information one is seeking on stock promoters.
What does the operon model attempt explain?
The operon model attempts to explain how genes are regulated in prokaryotic cells. It describes how genes are grouped together into operons, which are clusters of genes that are transcribed together as a single mRNA molecule. The model also explains how the expression of these operons is controlled by regulatory elements such as promoters, repressors, and activators.
How many promoters are required to start a company?
minimum of two promoters should be there in a company
