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The organelle that serves as a microtubule organizing center during cell division is theCentrosomeChromomereChromosome CytoskeletonCentromere

Question

The organelle that serves as a microtubule organizing center during cell division is theCentrosomeChromomereChromosome CytoskeletonCentromere

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Solution

The organelle that serves as a microtubule organizing center during cell division is the Centrosome.

Here's a step-by-step explanation:

  1. During cell division, the cell needs to ensure that each daughter cell receives an exact copy of its genetic material. This process is facilitated by the cell's cytoskeleton, which helps in the movement of chromosomes.

  2. The centrosome is an organelle that serves as the main microtubule organizing center in the cell. It plays a key role in the process of cell division, or mitosis.

  3. At the start of mitosis, the centrosome duplicates itself to form two centrosomes, which move to opposite ends of the cell.

  4. The centrosomes organize the formation of microtubules, which are part of the cell's cytoskeleton. These microtubules form a structure known as the mitotic spindle.

  5. The mitotic spindle attaches to the chromosomes via structures called kinetochores, which are located at the centromere of each chromosome.

  6. The spindle fibers then pull the chromosomes apart, ensuring that each daughter cell receives a complete set of chromosomes.

So, the correct answer to your question is the Centrosome.

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The region of a chromosome to which the microtubules of the spindle attach during cell division

What is the role of the mitotic centrosome? Condensation of the chromosomal centromere Assembly of the nuclear envelop Formation of the mitotic furrow Control of cell death Assembly of the microtubules forming the mitotic spindle

Centrosome is an organelle usually containing ____ cylindrical structures called centrioles.

3.Select the Incorrect statementi. Cytoskeleton Includes structures that function to maintain shape of thecell,motility and extracellular transport functions of the cell.ii. Cytoskeleton Composed of three main componentsMicrotubules,Microfilaments,Intermediate filaments.iii. Microtubules grow outward from the microtubule organizing center centrosomealso involved in chromosome separation during cell division & motility of cillia.iv. Centrosome composed of two centrioles place perpendicular to each other &each centrioles are composed of microtubules arranged as nine peripheraltriplets.v. Microfilaments comprised of the protein actin & Actin constitutes with myosininvolved in muscle contraction.

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