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When do microtubules attach to kinetochores?
Microtubules attach to kinetochores during prometaphase of mitosis, forming the mitotic spindle apparatus. This attachment is crucial for proper chromosome alignment and segregation during cell division.
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.
What joins chromosomes arms together and is the place where spindle fibers attach to each chromosome?
The structure that joins chromosome arms together is called the centromere. The centromere is essential for proper chromosome segregation during cell division and is the point where spindle fibers attach to the chromosome to facilitate this process.
What is the small section of a chromosome where sister chromatids attach to each other?
The small section of a chromosome where sister chromatids attach to each other is called the centromere. It plays a crucial role in ensuring accurate segregation of genetic material during cell division.
During mitosis microtubles attach to chromosomes at the?
kinetochores, which are protein structures found at the centromere of each chromosome. The microtubules attach to the kinetochores and help to accurately separate the duplicated chromosomes into two daughter cells during cell division.
When do microtubules attach to kinetochores?
Microtubules attach to kinetochores during prometaphase of mitosis, forming the mitotic spindle apparatus. This attachment is crucial for proper chromosome alignment and segregation during cell division.
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.
What is the name of the structures whose movements are studied in mitosis and meiosis?
Micro-tubules play active role in chromosome movement during cell division.
What joins chromosomes arms together and is the place where spindle fibers attach to each chromosome?
The structure that joins chromosome arms together is called the centromere. The centromere is essential for proper chromosome segregation during cell division and is the point where spindle fibers attach to the chromosome to facilitate this process.
What is the small section of a chromosome where sister chromatids attach to each other?
The small section of a chromosome where sister chromatids attach to each other is called the centromere. It plays a crucial role in ensuring accurate segregation of genetic material during cell division.
How is the chromosome number halved during cell division: mitosis or meiosis?
The chromosome number is halved during cell division in meiosis, not mitosis.
During mitosis microtubles attach to chromosomes at the?
kinetochores, which are protein structures found at the centromere of each chromosome. The microtubules attach to the kinetochores and help to accurately separate the duplicated chromosomes into two daughter cells during cell division.
How do spindle fibers attach to chromosomes and line them up during cell division?
Spindle fibers attach to chromosomes by binding to specific protein structures called kinetochores located on the centromere of each chromosome. The spindle fibers then exert tension on the chromosomes, aligning them along the cell's equator during cell division.
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 joins arms together and is the place where spindle fibers attach to each chromosome?
The sister chromatids (arms) are held together by centromeres. Centromeres are the site of attachment for the spindle fibers.
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.
What forms during prophase to later attach and move chromosome?
Spindle fibers
