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Name some functions of the nucleus?
the main function of the cell is to control gene expression and mediate the replication of DNA during the cell cycle.the nucleus provides a site for genetic transcription that is segregated from the location of translation of cytoplasm , allowing levels of gene regulation that are not available to prokaryotes.
Are removed from mRNA but have other functions in gene regulation?
Introns are removed from mRNA through a process called splicing, which allows exons to be joined together to form the mature mRNA. However, introns can also have roles in gene regulation, including influencing alternative splicing patterns, mRNA stability, and nuclear export. Additionally, some intronic regions can contain regulatory elements that control gene expression.
Which of these is a type of post-transcriptional regulation of gene expression?
Post-transcriptional regulation of gene expression can refer to the life of mRNA. You see, mRNA is transcribed into a protein in the cytoplasm, and if the mRNA only stays in the cytoplasm for a short period of time, then only some of the enzymes coded for on the strand can be created. So if the mRNA is programmed to die early, then only some of the proteins will be produced and only some genes will be expressed. It can also refer to the excision of introns and sometimes exons. pre-mRNA is usually edited by proteins to take out the introns, which are basically useless gene sequences (sometimes called junk DNA). Then the mRNA goes on to express the genes it codes for. But if the proteins take out introns and ALSO some exons, then some genes will be removed and not be expressed. This is another type of post-transcriptional gene regulation. Hope this helped!
What does RNA build?
RNA plays a key role in protein synthesis by carrying information from DNA to ribosomes, where proteins are assembled. RNA also assists in gene expression, regulation, and the control of cellular activities. Additionally, some viruses use RNA as their genetic material.
What Chemical determined by a gene?
A chemical determined by a gene is typically a protein, which is synthesized based on the genetic code encoded in DNA. Genes provide the instructions for assembling amino acids into proteins, which perform a wide range of functions in the body, including enzymatic activity, structural support, and regulation of biological processes. Additionally, some genes may also encode for non-protein molecules, such as RNA, that play crucial roles in gene expression and regulation.
Can Cancer be genetic?
There are some medical reports that cancer can be passed through your gene lines. But, the research also suggest that it can miss a generation or be completely random in it's activation along the gene line.
Do only some of the genes located on the X chromosome control female sexual characteristics?
Yes, not all genes located on the X chromosome control female sexual characteristics. The SRY gene on the Y chromosome is responsible for male sexual development. However, genes on the X chromosome like the XIST gene are involved in the regulation of X chromosome inactivation, a process critical for normal development in females.
In some types of colon cancer stem cells have a mutation in the APC gene. What happens if the APC gene is mutated?
When the APC gene is mutated, it disrupts the normal regulation of cell growth and division in the colon. APC normally acts as a tumor suppressor, helping to control the Wnt signaling pathway, which is crucial for maintaining proper cell function. A mutation can lead to uncontrolled cell proliferation, contributing to the development of benign polyps and, ultimately, colorectal cancer. This mutation is a key early event in the progression of certain types of colon cancer.
Why did gene sneak into the infirmary?
Gene sneaked into the infirmary to retrieve some medical supplies to help his injured friend, Finny. He wanted to take care of Finny and support him during his recovery.
Examples of not following regulation in some company?
examples of not following regulation in some company?"
What is meant by regulation?
The general noun, regulation, means control by rules. e.g. "Regulation of the pharmaceutical industry ended the craze for using radioactive substances as medicine." However, "a regulation" is a particular rule. In some places it refers to rules created by the civil service which have the force of law although they are not statutes. "A health department regulation forbids the holding of pot luck suppers in public places."
What are some of the characteristics of totalitarian government?
Total control of the military. Total control over means of communication (newspapers, Propaganda, etc.). Control over the economy. Police control with the use of terror as a control tactic.
