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Where do microtubules attach to chromosomes during mitosis?
Microtubules attach to chromosomes at the kinetochore, a protein structure located at the centromere region of each chromosome. This attachment ensures accurate segregation of chromosomes during mitosis.
Which of the following is true of kinetochores?
Kinetochores are protein structures located at the centromere region of a chromosome. They play a key role in the attachment of chromosomes to the microtubules of the mitotic spindle during cell division. Errors in kinetochore function can lead to chromosome mis-segregation and genetic abnormalities.
What is the region of a chromosome where two sister chromatids attach?
The region of a chromosome where two sister chromatids attach is called the centromere. It appears as a constricted area on the chromosome, serving as a site for protein binding and attachment of spindle fibers during cell division. The centromere plays a crucial role in ensuring proper segregation of chromosomes during mitosis and meiosis.
The structure that acts as a scaffolding for chromosomal attachment and movement is called the?
'kinetochore.' It is a complex protein structure that forms on the centromere region of the chromosome and is responsible for attaching the chromosome to microtubules during cell division, allowing for proper alignment and segregation of chromosomes.
The centromere is a region in which?
The centromere is a region in a chromosome where the two sister chromatids are held together. It is responsible for ensuring proper chromosome segregation during cell division. It also plays a key role in attaching chromosomes to the mitotic spindle fibers.
What region of the chromosome serves as the attachment site for microtubules during Cell division?
The kinetochore is the region of the chromosome that serves as the attachment site for microtubules during cell division. It is a protein structure that forms on the centromere of a chromatid. Kinetochore microtubules connect the chromatids to the mitotic spindle to aid in the separation of chromosomes during mitosis.
What part of the chromosome is the spindle apparatus attach?
The spindle apparatus attaches to the centromere region of the chromosome. This is where the kinetochore proteins are located, which help in the attachment of spindle microtubules to the chromosome during cell division.
Where do microtubules attach to chromosomes during mitosis?
Microtubules attach to chromosomes at the kinetochore, a protein structure located at the centromere region of each chromosome. This attachment ensures accurate segregation of chromosomes during mitosis.
Which of the following is true of kinetochores?
Kinetochores are protein structures located at the centromere region of a chromosome. They play a key role in the attachment of chromosomes to the microtubules of the mitotic spindle during cell division. Errors in kinetochore function can lead to chromosome mis-segregation and genetic abnormalities.
What is the region of a chromosome where two sister chromatids attach?
The region of a chromosome where two sister chromatids attach is called the centromere. It appears as a constricted area on the chromosome, serving as a site for protein binding and attachment of spindle fibers during cell division. The centromere plays a crucial role in ensuring proper segregation of chromosomes during mitosis and meiosis.
What is a disk protein at the centromere region of the chromatid that serves as a platform for assembling microtubules?
When a chromosome has replicated and is preparing for division, the two chromatids are connected by the centromere. The centromere is the site where the kinetochore forms. The kinetochore forms the attachment with the spindle fibers.
The structure that acts as a scaffolding for chromosomal attachment and movement is called the?
'kinetochore.' It is a complex protein structure that forms on the centromere region of the chromosome and is responsible for attaching the chromosome to microtubules during cell division, allowing for proper alignment and segregation of chromosomes.
What is the difference between kinetochore and centromere?
The centromere is a region of a chromosome that plays a role in chromosome segregation during cell division. The kinetochore is a protein structure located at the centromere that helps attach the chromosome to the mitotic spindle during cell division. In summary, the centromere is a DNA region while the kinetochore is a protein structure located within the centromere region.
The centromere is a region in which?
The centromere is a region in a chromosome where the two sister chromatids are held together. It is responsible for ensuring proper chromosome segregation during cell division. It also plays a key role in attaching chromosomes to the mitotic spindle fibers.
What is a function of those spindle microtubules that do not attach to kinetochores?
microtubules attached to a chromosome Wiki Answers respondents need to start answering questions with a greater sense of purpose. People do not ask questions to receive a terse, slightly correct answer. They want a valid answer to a valid question. As per this one, kinetochore microtubules are NOT just microtubules attached to a chromosome. They are microtubules attached to kinetochores on the centromeres of chromatids. Two chromatids make up a "chromosome" and each chromatid has a centromere with a kinetochore on it. When microtubules from the spindle pole attach to the kinetochores on each side of the "chromosome" the two kinetochore microtubules (from opposite poles of the cell) successfully pull the "chromosome" apart and provide each new developing daughter cell nucleus with a chromatid from that chromatid pair.
Distinguish between kinetochore fibers and polar fibers?
Kinetochore fibers are microtubules that attach to the kinetochore region of a chromosome during cell division, helping to pull the chromosome apart. Polar fibers, on the other hand, are microtubules that interact with each other and help push the poles of the cell apart during cell division, providing structural support.
Cellular structure to which the chromosomes attach?
Centromere. It is a region on a chromosome where the kinetochore forms, allowing for attachment to spindle fibers during cell division, ensuring proper segregation of chromosomes.
