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The nucleolus is a permanent structure in eukaryotic cells, both plant and animal. It is formed around specific genetic centers called NORs.

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11y ago

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Is the nucleolus found in plants or animals?

The nucleolus is found in both plants and animals. It is a structure located within the nucleus of cells, where ribosomal RNA synthesis and ribosome assembly occur.


How does the Nucleolus react with the cytoskeleton?

The nucleolus is not directly involved in interactions with the cytoskeleton. The nucleolus is primarily responsible for ribosome production within the cell, while the cytoskeleton is a network of protein filaments that provide structural support and facilitate cell movement. These two cellular components have distinct functions and typically do not directly interact with each other.


Where is eukaryotic ribosomal RNA transcribed?

Eukaryotic ribosomal RNA is transcribed in the nucleolus of the cell. The nucleolus is a distinct region within the cell nucleus where ribosomal RNA genes are actively transcribed and processed to form the components of the ribosomes.


Why milk teeth are replaced by permanent teeth in children?

Milk teeth, or primary teeth, are eventually replaced by permanent teeth to accommodate the growth and development of a child's jaw and mouth. As children grow, their jaws become larger, necessitating larger and stronger teeth for proper function and alignment. The replacement process, known as exfoliation, ensures that the permanent teeth can properly erupt and align with the developing oral structure, promoting effective chewing and speech. Additionally, permanent teeth are designed to last a lifetime, while milk teeth are temporary and serve as placeholders for these long-lasting successors.


How many legs do a sheep have?

Sheep Teeth - 20 Temporary teeth - 32 Permanent teeth at maturity, 4 pairs of Incisor teeth on lower jaw. Upper incisors missing. Cartilaginous (hard) dental pad on upper jaw. Split upper lip with mobile lips.AGE OF SHEEP (teeth) - Lamb, 4 pair of Incisors - 1 year, middle pair of Incisors - 2 years, 2nd pair of permanent Incisors - 3 years, 3rd pair of permanent Incisors - 4 years, 4th pair of permanent Incisors - 5 years, all permanent Incisors close together - 6 years, Incisors begin spreading apart - 7/8 years, some Incisors broken - 10/12 years, all Incisors missing.