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Could Cells survive without a microtubule-based cytoskeleton?
No, cells cannot survive without a microtubule-based cytoskeleton. Microtubules are essential for cell division, intracellular transport, and maintaining cell shape. They are also involved in various cellular processes, such as organelle positioning and cell signaling. Without microtubules, cells would be unable to function properly and would eventually die.
What are the long hair-like extensions of the cell membrane that act to propel the cell?
The long hair-like extensions of the cell membrane that act to propel the cell are called cilia or flagella. Cilia are shorter, numerous, and work together in a coordinated manner to move the cell, while flagella are longer and usually present in fewer numbers, providing a whipping motion to propel the cell forward.
What is a transportation routes in cell called?
Transportation routes in a cell are called microtubules. These are long, tube-like structures that help transport material within the cell, such as vesicles and organelles. Microtubules are part of the cell's cytoskeleton and play a crucial role in maintaining cell shape and structure.
Are microtubules tubelike proteins?
Microtubules are not proteins themselves, but rather structures made up of protein subunits called tubulins. These tubulins assemble together to form long, hollow tubes that play a critical role in many cellular processes, including cell division and intracellular transport.
How long are microtubules?
Microtubules can vary in length, but they are typically found in the range of 200 nanometers to several micrometers in length. Their length can be regulated by various cellular mechanisms to suit specific functions such as intracellular transport or cell division.
What are the long cellular extensions that propel cells?
The long cellular extensions that propel cells are called flagella and cilia. They are composed of microtubules and are used by cells for movement and sensory functions. Flagella are typically longer and found singly or in small numbers, while cilia are shorter and found in large numbers on the cell surface.
Could Cells survive without a microtubule-based cytoskeleton?
No, cells cannot survive without a microtubule-based cytoskeleton. Microtubules are essential for cell division, intracellular transport, and maintaining cell shape. They are also involved in various cellular processes, such as organelle positioning and cell signaling. Without microtubules, cells would be unable to function properly and would eventually die.
What the mitotic spindle made of?
Microtubules from the cytoskeleton of the cell
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 long hair-like extensions of the cell membrane that act to propel the cell?
The long hair-like extensions of the cell membrane that act to propel the cell are called cilia or flagella. Cilia are shorter, numerous, and work together in a coordinated manner to move the cell, while flagella are longer and usually present in fewer numbers, providing a whipping motion to propel the cell forward.
What makes microtubules?
Microtubules are composed of tubulin protein subunits that polymerize into long, hollow tubes. They are essential for cell structure, intracellular transport, and cell division. Microtubules dynamically assemble and disassemble, allowing cells to quickly reorganize their structure as needed.
What is a transportation routes in cell called?
Transportation routes in a cell are called microtubules. These are long, tube-like structures that help transport material within the cell, such as vesicles and organelles. Microtubules are part of the cell's cytoskeleton and play a crucial role in maintaining cell shape and structure.
What is a long Filamentous organelle found within the muscle cell?
myofibrilmyofibril
What are long whip like structures on cells that are used for motion?
Flagella are long whip-like structures found on certain cells that are used for motion. They can propel the cell forward by wiggling back and forth in a coordinated manner. Flagella are made up of microtubules and are found in organisms such as sperm cells and some types of bacteria.
Are microtubules tubelike proteins?
Microtubules are not proteins themselves, but rather structures made up of protein subunits called tubulins. These tubulins assemble together to form long, hollow tubes that play a critical role in many cellular processes, including cell division and intracellular transport.
What long hairlike projection on cells is composed by pairs of microtubules?
Cilia are the long hairlike projections on cells that are composed of pairs of microtubules arranged in a 9+2 pattern. They are involved in cell motility and sensing the external environment.
What are microtubules made of?
Microtubules are made of protein subunits called tubulin. These tubulin subunits polymerize to form long, hollow tubular structures that are essential for various cellular processes such as cell division, cell shape maintenance, and intracellular transport.
