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What portion of the cell forms part of the mitotic spindle during division?
The microtubules of the cytoskeleton form the mitotic spindle during cell division, along with associated proteins. These microtubules help separate the chromosomes during mitosis.
Do centrioles help during mitosis?
They are the little spindles that help pull the cell apart.
What is an anaphase-promoting complex?
An anaphase-promoting complex is a complex of several proteins which is activated during mitosis to initiate the anaphase.
During mitosis spindle fibers are held together by what?
During mitosis, spindle fibers are held together by proteins known as cohesins, which help maintain the connection between sister chromatids until they are ready to be separated during anaphase. Additionally, the microtubules that make up the spindle apparatus are anchored at the centrosomes and interact with kinetochores on the chromosomes. This organization ensures proper alignment and separation of chromosomes.
Where is the centriole during motisis?
During mitosis, centrioles move to the opposite sides of the cell.
What does a cytoskeleton do?
Cytoskeltons are formed by structural proteins in the protoplasm of the cell. They help the cell hold its shape, they form spindle fibers during mitosis and meiosis.
Does a cytoskeleton do?
Cytoskeltons are formed by structural proteins in the protoplasm of the cell. They help the cell hold its shape, they form spindle fibers during mitosis and meiosis.
What portion of the cell forms part of the mitotic spindle during division?
The microtubules of the cytoskeleton form the mitotic spindle during cell division, along with associated proteins. These microtubules help separate the chromosomes during mitosis.
Do centrioles help during mitosis?
They are the little spindles that help pull the cell apart.
What is an anaphase-promoting complex?
An anaphase-promoting complex is a complex of several proteins which is activated during mitosis to initiate the anaphase.
What happened to the centrioles during mitosis?
During mitosis, the centrioles duplicate and move to opposite ends of the cell to help organize the spindle fibers that separate the chromosomes.
During mitosis spindle fibers are held together by what?
During mitosis, spindle fibers are held together by proteins known as cohesins, which help maintain the connection between sister chromatids until they are ready to be separated during anaphase. Additionally, the microtubules that make up the spindle apparatus are anchored at the centrosomes and interact with kinetochores on the chromosomes. This organization ensures proper alignment and separation of chromosomes.
When and how is the spindle formed?
The spindle is formed during cell division, specifically during the metaphase stage of mitosis or meiosis. It is made up of microtubules and associated proteins, organized by the centrosomes at opposite poles of the cell. These microtubules help to separate chromosomes during cell division.
What part of the cell controls the process of mitosis?
The cell cycle is regulated by a group of proteins called cyclins and cyclin-dependent kinases (CDKs). These proteins work together to control the progression of a cell through the stages of the cell cycle, including mitosis. Regulatory checkpoints also help ensure that the process of mitosis is properly regulated.
How is the cell prepared for mitosis during the G2 phase?
During the G2 phase, the cell prepares for mitosis by replicating its DNA during the S phase, ensuring that each chromosome consists of two sister chromatids. The cell then checks for any DNA damage, repairs errors, and ensures that the replicated DNA is intact and ready for cell division. Additionally, the cell synthesizes necessary proteins and organelles needed for mitosis, such as the centrosomes that help organize the mitotic spindle.
What complex of two proteins gives the ok signal for a cell to begin mitosis?
The complex of two proteins that gives the green light for a cell to enter mitosis is called the Cyclin-dependent kinase (Cdk) and Cyclin complex. This complex phosphorylates target proteins involved in initiating mitosis and drives the cell cycle forward.
What guide chromosomes during mitosis?
what guides the chromosomes movement during mitosis
