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Are there any types of human body cells where telomerase activation would be advantageous or even necessary?
Yes, telomerase activation can be advantageous in certain types of human body cells, particularly stem cells and germ cells. In these cells, telomerase helps maintain telomere length, allowing for continuous division and the potential for tissue regeneration and repair. Additionally, in some cancer therapies, telomerase inhibitors are being explored to target cancer cells, which often express telomerase to sustain their rapid proliferation. However, excessive telomerase activity can also contribute to tumorigenesis, so its regulation is critical.
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When is telomerase active?
Telomerase is typically active during cell division to maintain the length of telomeres, which are protective caps on the ends of chromosomes. In most somatic cells, telomerase activity is low or absent, but in stem cells, germ cells, and cancer cells, telomerase is more active to prevent telomere shortening.
Where is active telomerase found in?
Active telomerase is commonly found in stem cells, germ cells, and cancer cells. It is also present in some cells undergoing rapid proliferation, such as embryonic cells.
What does the telomerase enzyme do?
Telomerase maintains the telomeres of chromosomes in order to prevent cell death. This enzyme added sequences onto the ends of the chromosomes, thereby preventing extreme shortening and loss of genetic material. In a way, telomerase would give cells immortal life, by continuously regenerating its ends. However, telomerase are usually inactive in the human body because normal cells do not divide frequently, and therefore, the chromosomes do not shorten.
What types of cells express the telomerase?
cells that replenish the lining of the gut
What is telomerase. In what cells is telomerase normally functioning?
Telomerase is an enzyme that adds repetitive nucleotide sequences to the ends of chromosomes, known as telomeres, thereby preventing their shortening during cell division. It is primarily active in stem cells, germ cells, and certain types of cancer cells, allowing these cells to maintain their ability to divide indefinitely. In most somatic cells, telomerase activity is low or absent, leading to gradual telomere shortening and eventual cellular aging.
Is telomerase active in somatic cells?
No, telomerase is typically not active in somatic cells.
When is telomerase active?
Telomerase is typically active during cell division to maintain the length of telomeres, which are protective caps on the ends of chromosomes. In most somatic cells, telomerase activity is low or absent, but in stem cells, germ cells, and cancer cells, telomerase is more active to prevent telomere shortening.
Where is active telomerase found in?
Active telomerase is commonly found in stem cells, germ cells, and cancer cells. It is also present in some cells undergoing rapid proliferation, such as embryonic cells.
What does the telomerase enzyme do?
Telomerase maintains the telomeres of chromosomes in order to prevent cell death. This enzyme added sequences onto the ends of the chromosomes, thereby preventing extreme shortening and loss of genetic material. In a way, telomerase would give cells immortal life, by continuously regenerating its ends. However, telomerase are usually inactive in the human body because normal cells do not divide frequently, and therefore, the chromosomes do not shorten.
What types of cells express the telomerase?
cells that replenish the lining of the gut
What is telomerase. In what cells is telomerase normally functioning?
Telomerase is an enzyme that adds repetitive nucleotide sequences to the ends of chromosomes, known as telomeres, thereby preventing their shortening during cell division. It is primarily active in stem cells, germ cells, and certain types of cancer cells, allowing these cells to maintain their ability to divide indefinitely. In most somatic cells, telomerase activity is low or absent, leading to gradual telomere shortening and eventual cellular aging.
What enzyme is present in cancer cells which scientists believe allows the cancer cells to keep growing indefinitely?
The enzyme present in cancer cells that allows them to keep growing indefinitely is called telomerase. Telomerase helps maintain the length of the telomeres, which are the protective caps on the ends of chromosomes. By preventing telomeres from shortening with each cell division, telomerase enables cancer cells to keep dividing and growing uncontrollably.
How are cancerous cells different from other cells?
contain high level of telomerase enzyme
What enzyme is present in cancer cells which scientists believe allows the cancer cells?
D. Telomerase
What kinds of organisms require teleomerase?
Telomerase is primarily required by organisms that have cells capable of unlimited division, such as stem cells, germ cells, and many cancer cells. In these cells, telomerase helps maintain the length of telomeres, which are protective caps at the ends of chromosomes that shorten with each cell division. While most somatic cells in higher organisms lack significant telomerase activity and undergo a limited number of divisions, certain unicellular organisms, like yeast and some protozoa, also rely on telomerase for their reproductive and longevity processes.
Why does cancer grow out of control?
cancer cells it produce an enzyme (telomerase) that make cells dividing uncontrolled.
How do t helper 1 cells activate and assist in the activation of t cells?
T helper 1 cells activate and assist in the activation of T cells by releasing signaling molecules called cytokines. These cytokines help stimulate T cells to multiply and become more effective in fighting off infections. Additionally, T helper 1 cells can directly interact with T cells to provide necessary signals for their activation and function.
