CELL NUCLEUS Meaning and
Definition
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The cell nucleus is a prominent organelle found in eukaryotic cells. It is a spherical or oval-shaped structure located near the center of the cell. The primary function of the nucleus is to contain and protect the genetic material of the cell, including the DNA, which carries all the hereditary information necessary for the cell's functioning.
The nucleus is surrounded by a double-layered nuclear membrane, also known as the nuclear envelope, which separates the contents of the nucleus from the rest of the cell. The nuclear envelope contains numerous nuclear pores, allowing for the selective exchange of molecules between the nucleus and the cytoplasm.
Within the nucleus, one can find the nucleolus, a distinct region responsible for the synthesis of ribosomal RNA (rRNA) and the assembly of ribosomes. The nucleolus plays a crucial role in protein synthesis as ribosomes are vitally involved in mRNA translation.
The nucleus houses the majority of the cell's DNA in the form of chromosomes during interphase. The DNA strands are packaged with proteins known as histones into a condensed, thread-like structure called chromatin. Upon cell division, the chromatin condenses further to form distinct, visible chromosomes.
The cell nucleus serves as the control center of the cell, regulating various essential processes such as DNA replication, transcription, and gene expression. It also plays a pivotal role in cellular metabolism, growth, and development. Overall, the cell nucleus is the central hub responsible for organizing and regulating the genetic information that directs cellular activities and inheritance.
Common Misspellings for CELL NUCLEUS
- xell nucleus
- vell nucleus
- fell nucleus
- dell nucleus
- cwll nucleus
- csll nucleus
- cdll nucleus
- crll nucleus
- c4ll nucleus
- c3ll nucleus
- cekl nucleus
- cepl nucleus
- ceol nucleus
- celk nucleus
- celp nucleus
- celo nucleus
- cell bucleus
- cell mucleus
- cell jucleus
Etymology of CELL NUCLEUS
The word "nucleus" has its roots in Latin. It is derived from the Latin word "nucleus", meaning "kernel" or "core". The term was first used in English in the late 17th century to refer to the central part of an object.
In the context of biology, the term "cell nucleus" was coined in the early 19th century by the German anatomist Friedrich Heinrich Ferdinand von Waldeyer-Hartz. He used the term "nucleus" to describe the central structure within a cell that contains the cell's genetic material and regulates its activities.
Overall, the etymology of "cell nucleus" is derived from Latin, representing the central core or kernel of a cell.
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