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What are chromosomes stabilized by?
Chromosomes are stabilized by proteins known as histones, which help in organizing and condensing DNA into a more compact structure. Additionally, specialized regions called telomeres located at the ends of chromosomes also play a role in stabilizing them by preventing degradation and ensuring accurate replication during cell division.
What are repetitive DNA sequences in the ends of chromosomes called?
Telomeres
What is a stage of mitosis where the identical chromosomes separate and move to the opposite ends of the cell?
Metaphase
The phase of mitosis that ends when the chromosmnes stop moving?
The phase of mitosis that ends when the chromosomes stop moving is called metaphase. In metaphase, the chromosomes align along the cell's equator, and the spindle fibers attach to the centromeres of each chromosome. Once the chromosomes are properly aligned, the cell can proceed to the next phase of mitosis.
What are the end of the chromosome called?
The ends of chromosomes are called telomeres. Telomeres help protect the ends of the chromosome from deteriorating or fusing with other chromosomes during cell division. They also play a role in determining the lifespan of a cell.
What is the difference between heterochromatic and euchromatic regions of the genome?
Heterochromatic regions of the genome are tightly packed and less active, containing genes that are usually turned off. Euchromatic regions are loosely packed and more active, containing genes that are typically turned on.
Are Genes present in heterochromatin readily expressed?
No. Heterochromatic regions of DNA are not readily expressed as they are densely packaged. Some of these regions do not code for genes at all.
Are telomeres the regions of chromosomes that code for protein?
No, telomeres are not regions of chromosomes that code for proteins. Telomeres are repetitive sequences of DNA found at the ends of chromosomes that help protect them from deterioration and prevent the loss of genetic information during cell division.
What is the area where chromosomes are normally found in a cell that ends with a s?
The area where chromosomes are normally found in a cell that ends with an "s" is the nucleus.
What role do chromosomes play in inhertance?
Genes are located on chromosomes. Genes are simply regions on chromosomes that code for polypeptides.
What are chromosomes stabilized by?
Chromosomes are stabilized by proteins known as histones, which help in organizing and condensing DNA into a more compact structure. Additionally, specialized regions called telomeres located at the ends of chromosomes also play a role in stabilizing them by preventing degradation and ensuring accurate replication during cell division.
Do you need to have a disorder to have heterochromatic eyes?
Nope. It is usually a quirk of nature.
What are repetitive DNA sequences in the ends of chromosomes called?
Telomeres
What phrase has pairs of chromosomes separating and moving to opposite ends?
Anaphase.
What happens to the chromosomes during the stage cycle when the nucleus divides?
The Chromosomes separate from each other and move to opposite ends of the cell.
X-shaped regions created when chromosomes crossover are called?
chiasmata
Why do prokaryotic chromosomes not have telomeres?
because it has its own modification and restriction system which prevents its own DNA from degradation as telomeres are mainly responsible to protect the DNA from exonuclease activity of DNase.
