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When do cells control gene expression?
By limiting the length of time mRNA is available for translation. Source: Biology textbook
Cells must regulate gene expression so that genes will only be expressed when the proteins are needed?
Gene expression regulation ensures that cells can respond to changing environments and demands by producing the right proteins at the right time. By controlling when and how genes are turned on or off, cells can conserve energy and resources, adapt to stress, and maintain proper function and balance within the body. Misregulation of gene expression can lead to various diseases and disorders.
What must your nerve cells undergo to form memories?
Long-term potentation
Manipulating the arrangement of DNA that makes up a gene is called?
Genetic engineering
Example of chromatin?
Chromatin is a complex of DNA and proteins found in the nucleus of cells. It undergoes structural changes to regulate gene expression. An example of chromatin is the condensed form, called heterochromatin, which is involved in gene silencing and maintenance of genomic integrity.
When do cells control gene expression?
By limiting the length of time mRNA is available for translation. Source: Biology textbook
Cells must regulate gene expression so that genes will only be expressed when the proteins are needed?
Gene expression regulation ensures that cells can respond to changing environments and demands by producing the right proteins at the right time. By controlling when and how genes are turned on or off, cells can conserve energy and resources, adapt to stress, and maintain proper function and balance within the body. Misregulation of gene expression can lead to various diseases and disorders.
Scientists have found that extracellular matrix components may induce specific gene expression in embryonic tissues such as the liver and testis For this to happen there must be direct communication?
Yes, extracellular matrix components can influence gene expression in embryonic tissues through direct communication with cells via cell surface receptors. This communication can activate signaling pathways that ultimately regulate gene expression, leading to the development and differentiation of specific tissues such as the liver and testis.
What must happen inside the cell for gene therapy treatment to be successful?
n the simplest forms of gene therapy, the DNA must be integrated into the genome of the cell (it must become part of the regular DNA that is in the cell) so that it is replicated when the cell divides and passed on to all the daughter cells. In addition, it has to integrate into a part of the DNA so that it can be expressed so that it can make the missing protein. There are other forms of gene therapy for particular diseases where temporary expression therapeutic gene is all that is needed. For example, to make a tumor susceptible to certain drugs to cure the patient. In this case, integration is not needed and the DNA needs only to get into the nucleus so the gene can be expressed.
What obstacles must gene therapy overcome?
Gene therapy must overcome challenges such as efficiency in delivering therapeutic genes into target cells, avoiding off-target effects, ensuring long-term expression of the therapeutic gene, immune response issues, and the potential for unintended consequences such as mutations or cancer. Additionally, the high cost of gene therapy treatments and regulatory hurdles pose significant obstacles to its widespread adoption.
What genetic disorder causes a defective gene that makes proteins necessary to pump chloride in and out of cells?
Cystic Fibrosis
What must your nerve cells undergo to form memories?
Long-term potentation
Manipulating the arrangement of DNA that makes up a gene is called?
Genetic engineering
Example of chromatin?
Chromatin is a complex of DNA and proteins found in the nucleus of cells. It undergoes structural changes to regulate gene expression. An example of chromatin is the condensed form, called heterochromatin, which is involved in gene silencing and maintenance of genomic integrity.
What does Gene therapy research use to alter defective hereditary material?
Researchers replace a mutated gene with a healthy copy of the gene. The healthy gene must first attach to a chromosome within a patient's cells. Then the gene needs to make the correct type and amount of protein. These techniques are still experimental at this time.
In the binding of RNA polymerase to a gene requires the aid of a transcription factor?
Like prokaryotes, eukaryotes must regulate gene expression. This is accomplished primarily by controlling when RNA polymerase binds to the beginning of a gene. This binding cannot take place in eukaryotes without the aid of transcription factor.
In gene therapy how are the genes inserted?
Working genes have been inserted into defective cells during gene therapy by first isolating a copy of the gene. Next, the working genes are planted onto a cold virus and as the cold virus infects cells, it also begins producing functional CF protein. Since the cells are "cured", they are able to transport chloride ions across their plasma membranes.
