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What structures in cells contain DNA and protein?
Nucleus.
What is the function of kinetochores in cell division?
Kinetochores are protein structures that form on the centromere of chromosomes during cell division. Their main function is to attach to spindle fibers and help separate the chromosomes during mitosis and meiosis. This ensures that each daughter cell receives the correct number of chromosomes.
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.
A structure found in the nucleus that is made of DNA?
Chromosomes - structures composed of DNA and proteins found in the nucleus of eukaryotic cells. Chromosomes carry the genetic material. Chromosomes - structures composed of DNA and proteins found in the nucleus of eukaryotic cells. Chromosomes carry the genetic material.
Spindle fibres are composed of?
Spindle fibers are composed of microtubules, which are long, filamentous structures made up of tubulin protein subunits. These fibers play a crucial role in separating chromosomes during cell division by attaching to the chromosomes and guiding their movement to opposite poles of the cell.
Structures in the nucleus made of DNA and protein?
Chromosomes are structures in the nucleus made of DNA and protein. They carry genetic information in the form of genes and are crucial for cell division and genetic inheritance. Chromosomes condense during cell division to facilitate their segregation into daughter cells.
What structures in cells contain DNA and protein?
Nucleus.
What are the structures in the nucleus made of DNA and protein?
chromosomes
What is one set of structures found in the nucleus made of DNA plus some protein?
The structures in the nucleus that contain DNA are chromosomes. Chromosomes are rod-like structures that are composed of DNA and protein.
What is the function of kinetochores in cell division?
Kinetochores are protein structures that form on the centromere of chromosomes during cell division. Their main function is to attach to spindle fibers and help separate the chromosomes during mitosis and meiosis. This ensures that each daughter cell receives the correct number of chromosomes.
A structure found in the nucleus that is made of DNA?
Chromosomes - structures composed of DNA and proteins found in the nucleus of eukaryotic cells. Chromosomes carry the genetic material. Chromosomes - structures composed of DNA and proteins found in the nucleus of eukaryotic cells. Chromosomes carry the genetic material.
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.
At the time of cell division rodlike structures called chromatin will form within the nucleus?
Actually, during cell division, chromatin condenses into rod-like structures called chromosomes, which contain the genetic material of the cell. This process ensures that each daughter cell receives a complete set of chromosomes. Chromatin refers to the DNA-protein complex that makes up chromosomes in their less condensed state.
Spindle fibres are composed of?
Spindle fibers are composed of microtubules, which are long, filamentous structures made up of tubulin protein subunits. These fibers play a crucial role in separating chromosomes during cell division by attaching to the chromosomes and guiding their movement to opposite poles of the cell.
What are the spindle fibers eventually used for?
Spindle fibers are used to attach to and align chromosomes during cell division. They help to separate the chromosomes into two separate sets, which ensures each new cell receives the correct number of chromosomes.
Shortening and fattening of the chromosomes at the start of mitosis?
At the start of mitosis, chromosomes condense or shorten by coiling more tightly. This condensation allows easier segregation and movement of chromosomes during cell division. Additionally, the chromosomes appear fatter due to increased DNA and protein compaction.
When chromosomes are visible?
Chromosomes are visible during prophase. Chromosomes are only visible in cells during the cell division because the DNA and protein that the chromosomes are made of are spread throughout the nucleus.
