CELL NUCLEOLI Meaning and
Definition
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Cell nucleoli are small, prominent structures found within the nucleus of eukaryotic cells. They are non-membrane-bound organelles composed of proteins, ribonucleic acids (RNA), and deoxyribonucleic acids (DNA). Nucleoli are involved in the synthesis and processing of ribosomal RNA (rRNA), which plays a crucial role in protein synthesis.
The primary function of cell nucleoli is to assemble ribosomes, the cellular machinery responsible for the production of proteins. Nucleoli contain specific sections known as fibrillar centers that facilitate the transcription of rRNA genes. These genes encode the ribosomal RNA molecules that form the core of ribosomes. Nucleoli also contain components called granular components, which participate in the processing and modification of rRNA.
Under a microscope, nucleoli appear as small granules or clusters within the nucleus. The number and size of nucleoli within a cell can vary depending on factors such as cell type, growth rate, and metabolic activity. Cells engaged in active protein synthesis typically possess multiple, larger nucleoli compared to cells in a resting state.
Abnormalities or alterations in nucleoli structure and function can be indicative of certain cellular disorders, including cancer. In cancer cells, nucleoli often display morphological abnormalities and changes in number, reflecting the altered ribosome synthesis required for rapid cell proliferation.
In summary, cell nucleoli are specialized structures within the nucleus that participate in the production and processing of ribosomal RNA, ultimately contributing to the formation of functional ribosomes and protein synthesis within the cell.
Common Misspellings for CELL NUCLEOLI
- xell nucleoli
- vell nucleoli
- fell nucleoli
- dell nucleoli
- cwll nucleoli
- csll nucleoli
- cdll nucleoli
- crll nucleoli
- c4ll nucleoli
- c3ll nucleoli
- cekl nucleoli
- cepl nucleoli
- ceol nucleoli
- celk nucleoli
- celp nucleoli
- celo nucleoli
- cell bucleoli
- cell mucleoli
- cell jucleoli
- cell hucleoli
Etymology of CELL NUCLEOLI
The word "nucleolus" is derived from the Latin term "nucleus", which means "kernel" or "core". The suffix "-olus" is a diminutive in Latin, indicating "small" or "little". Therefore, "nucleolus" can be translated as "small nucleus" or "little kernel". In the context of cell biology, the term "nucleolus" refers to a small structure found within the nucleus of a cell.
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