Questions and answers

What is the scientific definition of centrioles?

What is the scientific definition of centrioles?

a small, cylindrical cell organelle, seen near the nucleus in the cytoplasm of most eukaryotic cells, that divides in perpendicular fashion during mitosis, the new pair of centrioles moving ahead of the spindle to opposite poles of the cell as the cell divides: identical in internal structure to a basal body. …

What is the best definition of centriole?

A centriole is a small structure made of microtubules which exists as part of the centrosome, which helps organize microtubules in the body. A centriole is the main unit that creates and anchors microtubules in the cell.

What is a centriole kid definition?

The centriole is a cytoplasmic structure in most eukaryote cells. It is involved in cell division and in the formation of cilia and flagella. Centrioles are not found in vascular plants and in most fungi. Most centrioles are nine sets of microtubule triplets, arranged in a cylinder.

What is centriole easy?

A centriole is a small set of microtubules arranged in a specific way. There are nine groups of microtubules. When two centrioles are found next to each other, they are usually at right angles. The centrioles are found in pairs and move towards the poles (opposite ends) of the nucleus when it is time for cell division.

What is the difference between centrosomes and centrioles?

Centrosome and Centrioles Centrosomes are key to the division of cells and produce the spindle fibers that are required during metaphase of mitosis. Each centrosome consists of two centrioles that are orientated at right-angles to each other. Each centriole is a cylindrical array of 9 microtubules.

What is a centriole a level biology?

A centriole is an organelle that helps cells divide, or make copies of themselves. Centrioles are only found in animal cells. All centrioles are made of protein strands called microtubules. Centrioles are made of nine triplets of microtubules arranged in a cylinder.

What is centriole Class 11?

The central part of the centriole is also proteinaceous and called the hub, which is connected with tubules of the peripheral triplets by radial spokes made of protein. The centrioles form the basal body of cilia or flagella, and spindle fibres that give rise to spindle apparatus during cell division in animal cells.

What is Centriole structure and function?

Typically found in eukaryotic cells, centrioles are cylindrical (tube-like) structures/organelles composed of microtubules. In the cell, centrioles aid in cell division by facilitating the separation of chromosomes. For this reason, they are located near the nucleus.

What is the function of the centrioles in a cell?

Centrioles are paired barrel-shaped organelles located in the cytoplasm of animal cells near the nuclear envelope. Centrioles play a role in organizing microtubules that serve as the cell’s skeletal system. They help determine the locations of the nucleus and other organelles within the cell.

What is the difference between microtubules and centrioles?

The centriole is a structure that is comprised of microtubules that are arranged in a particular manner. The microtubules are actually proteins that form short cylindrical structures. What is this?

What are centrioles related to?

There are 143 centrioles-related words in total, with the top 5 most semantically related being organelle, microtubule, pinophyta, cilia and cytokinesis. You can get the definition (s) of a word in the list below by tapping the question-mark icon next to it.

What are facts about the centriole?

Centrioles are two cylindrical, rod-shaped microtubular structures present near the nucleus. Centrosome is an area in the cytoplasm where centrioles are formed. Centrioles are present in lower plants, all groups of animals, and in primitive flagellates like Chlamydomonas, dinoflagellates etc.

What is the difference between centrioles and centromere?

Centriole is a cell organelle while centromere is a region of the chromosome. This is the key difference between centriole and centromere. Furthermore, centrioles form spindle fibers, and centromeres provide attachment sites for the spindle fibers during the cell division. Thus, it is another difference between centriole and centromere.

What is the meaning of centrioles?

Definition of centriole. : one of a pair of cellular organelles that occur especially in animals, are found near the nucleus, function in the formation of the spindle (see spindle entry 1 sense 2a) fibers during cell division, and consist of a cylinder with nine microtubules arranged peripherally in a circle — see cell illustration.