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What two structures seen in the animal cell are composed of microtubules are produced by the centriole?
The two structures in animal cells that are composed of microtubules and produced by the centriole are the spindle fibers and the cilia or flagella. Spindle fibers are essential for chromosome separation during cell division, while cilia and flagella are involved in cell movement and the movement of substances across cell surfaces. Both structures play crucial roles in cellular function and organization.
Cell structures made of individual microtube fibers that are involved in moving chromosomes during cell division are called?
Spindle fibers. These structures form the mitotic spindle and play a crucial role in separating chromosomes during cell division.
Which work together to move chromosome during cell division?
During cell division, particularly mitosis and meiosis, the main structures that work together to move chromosomes are the spindle fibers and the centromeres. Spindle fibers, which are composed of microtubules, attach to the centromeres of the chromosomes and help align them at the cell's equatorial plane. As the cell divides, these fibers pull the sister chromatids apart toward opposite poles of the cell, ensuring that each daughter cell receives an identical set of chromosomes.
Is it true the structures inside a cell are suspended in a system of microscopic fibers called cytoplasm?
its cytoskeleton.
what are spindle fibers and why are necessary for mitosis to occur property?
Spindle fibers are specialized protein structures composed mainly of microtubules that form during cell division, specifically during mitosis. They play a crucial role in separating and moving chromosomes to opposite poles of the cell by attaching to the centromeres of chromosomes via kinetochores. This ensures that each daughter cell receives an identical set of chromosomes, which is essential for proper genetic distribution and cell function. Without spindle fibers, chromosome segregation would be disrupted, leading to errors in cell division and potential genetic abnormalities.
What two structures seen in the animal cell are composed of microtubules are produced by the centriole?
The two structures in animal cells that are composed of microtubules and produced by the centriole are the spindle fibers and the cilia or flagella. Spindle fibers are essential for chromosome separation during cell division, while cilia and flagella are involved in cell movement and the movement of substances across cell surfaces. Both structures play crucial roles in cellular function and organization.
What are long hallow protein structures that give support to a cell?
Microtubules are long, hollow protein structures that give support to a cell. They are also involved in various cellular processes such as cell division, intracellular transport, and maintaining cell shape.
What structures pull the chromosomes apart?
The spindle fibers, which are composed of microtubules, pull the chromosomes apart during cell division. These fibers attach to the centromeres of the chromosomes and help guide them to opposite poles of the cell during mitosis or meiosis.
Cell structures made of individual microtube fibers that are involved in moving chromosomes during cell division are called?
Spindle fibers. These structures form the mitotic spindle and play a crucial role in separating chromosomes during cell division.
What are spindle fibers composed of?
Spindle fibers are composed of microtubules, which are polymers of the protein tubulin. These microtubules play a crucial role in cell division by helping to separate the chromosomes during mitosis and meiosis.
Unlike the cell membrane the cell wall is A. found in all organisms B. composed of a lipid bilayer C. a flexible barrier D. made of tough fibers?
Unlike the cell membrane, the cell wall is made of tough fibres (D). The cell membrane is mainly composed of a lipid bilayer - which means it is flexible. Plant cell walls are made of cellulose, hemicellulose and pectin - which make the cell rigid.
Which work together to move chromosome during cell division?
During cell division, particularly mitosis and meiosis, the main structures that work together to move chromosomes are the spindle fibers and the centromeres. Spindle fibers, which are composed of microtubules, attach to the centromeres of the chromosomes and help align them at the cell's equatorial plane. As the cell divides, these fibers pull the sister chromatids apart toward opposite poles of the cell, ensuring that each daughter cell receives an identical set of chromosomes.
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 does a microtuble do?
Microtubules are structures in cells that provide support and shape, as well as serve as tracks along which organelles and vesicles can move within the cell. They are essential for processes such as cell division, cell motility, and intracellular transport.
Is it true the structures inside a cell are suspended in a system of microscopic fibers called cytoplasm?
its cytoskeleton.
Centriole is composed of microtubules and important for organizing the spindle fibers?
Yes, centrioles are composed of microtubules and are essential for organizing the spindle fibers during cell division. They play a crucial role in cell division by helping to separate chromosomes. Each centriole is made up of nine triplets of microtubules.
What organelle is composed of tough stringy cellulose fiber?
The cell wall is the organelle that is composed of tough stringy cellulose fibers. It provides structural support and protection to the plant cell.
