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What event occurs during telephase?
During telophase, the nuclear membrane reforms around the separated chromosomes, the nucleoli reappear, and the chromosomes begin to decondense back into chromatin. This marks the end of mitosis in cell division.
What large cellular organelle contains chromatin and a nucleolus?
Although this may be easily (but incorrectly) defined as the 'nucleus', this is undeniably wrong for a simple reason: nuclei contain more than just chromatin and a nucleolus (or nucleoli for that matter). Custom-engineered 'organelles' (or more correctly vesicles) containing just nucleoli and chromatin may also be used (as molecular vehicles) in cellular transfection - these however would inadvertently fail in their function as a genomic-proteomic exchange center, due to the lack of the essential transcriptional/nuclear transport machinery characteristic of most (if not all) nuclei. Hence there is no such thing as a "spherical organelle which contains nucleolus and chromatin alone".
How many nucleoli are in each nucleus?
Typically, a nucleus contains one or more nucleoli. The number of nucleoli can vary depending on the cell type and its activity. Nucleoli are involved in the production of ribosomes and are often more numerous in cells actively synthesizing proteins.
What are cells without nucleoli called?
Cells without nucleoli are termed anucleolate cells. This absence of nucleoli can be due to certain cellular conditions or can be a natural feature of the specific cell type. Nucleoli are responsible for producing ribosomal RNA and are important for protein synthesis within the cell.
Where are the nucleoli of an onion cell found?
The nucleoli of an onion cell are found within the nucleus. The nucleus is a membrane-bound organelle that houses the cell's genetic material, including the nucleoli where ribosomal RNA synthesis takes place.
What are the parts in the structure of the nucleus?
The parts in the structure of nucleus are nuclear membrane, Nuclear pores, Nuclear plasm, Nucleoli, Chromatin.
What is aceto orcein?
aceto_orcein dyes chromatin red. ıt binds to histon proteins at chromatin and shows its structure. nucleoli don't stain with aceto_orcein so chromatins can be seen at clear area.
Why is aceto-orcein used?
as a staining agent perhaps... as we know, cells are hard to see if there is no coloring(stain)
What is the plural of nucleoli?
Nucleoli is the plural form of nucleolus.
What event occurs during telephase?
During telophase, the nuclear membrane reforms around the separated chromosomes, the nucleoli reappear, and the chromosomes begin to decondense back into chromatin. This marks the end of mitosis in cell division.
What is the difference between nucleoplasm and nuclear envelope?
The nulear envelope is a membrane that surrounds the entire nucleus while the nucleoplasm is a liquid (like the cytoplasm) that surrounds the chromosomes and the nucleolus within the nuclear envelope.
What contains the nuclear envelope chromatin and the nucleolus?
The nuclear envelope surrounds the nucleus and separates it from the cytoplasm. Chromatin is the material that makes up chromosomes, consisting of DNA and proteins. The nucleolus is a region inside the nucleus where ribosomes are produced.
What large cellular organelle contains chromatin and a nucleolus?
Although this may be easily (but incorrectly) defined as the 'nucleus', this is undeniably wrong for a simple reason: nuclei contain more than just chromatin and a nucleolus (or nucleoli for that matter). Custom-engineered 'organelles' (or more correctly vesicles) containing just nucleoli and chromatin may also be used (as molecular vehicles) in cellular transfection - these however would inadvertently fail in their function as a genomic-proteomic exchange center, due to the lack of the essential transcriptional/nuclear transport machinery characteristic of most (if not all) nuclei. Hence there is no such thing as a "spherical organelle which contains nucleolus and chromatin alone".
In an animal cell what contains DNA and nucleoli?
The nucleus of the cell contains DNA and the nucleoli.
Long strands of DNA that are uncoiled?
Chromatin are long, uncoiled strands of DNA. Chromatin contain the genetic information of the cell. Cytoplasm is the clear fluid or gel that surrounds the organelles outside the nucleus.
How many nucleoli are in each nucleus?
Typically, a nucleus contains one or more nucleoli. The number of nucleoli can vary depending on the cell type and its activity. Nucleoli are involved in the production of ribosomes and are often more numerous in cells actively synthesizing proteins.
What are cells without nucleoli called?
Cells without nucleoli are termed anucleolate cells. This absence of nucleoli can be due to certain cellular conditions or can be a natural feature of the specific cell type. Nucleoli are responsible for producing ribosomal RNA and are important for protein synthesis within the cell.
