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What is the dark region of chromatin where the RNA are produced?
nucleolus
What are the highly condensed portion of chromatin which appear as very dark areas in a transmission electron micrograph?
which is the loosely condensed chromatin where genes are expressed
What is the semi-fluid medium within a cell's nucleus that contains chromatin called?
The semi-fluid medium within a cell's nucleus that contains chromatin is called nucleoplasm. Nucleolus dark-staining, spherical body in the nucleus that produces ribosomal subunits.
Threadlike coils of chromosomes?
Chromatin-- =]
What is the description of a chromatin fiber?
A chromatin fiber is the point at which DNA in chromatin is higher then the nucleosome. Chromatin fibers occur when the linear array of the nucleosome fold into a tighter fiber.
What is the dark spherical body in the nucleus?
Chromatin
What is the dark region of chromatin where the RNA are produced?
nucleolus
Dark colored material in nucleus that develops into chromosomes?
Chromatin
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 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.
What are the highly condensed portion of chromatin which appear as very dark areas in a transmission electron micrograph?
which is the loosely condensed chromatin where genes are expressed
What are the dark staining rod shaped structures that are composed of highly coiled chromatin and found in cells undergoing cell division called?
Condensed chromatin
What color does Sudan IV stain lipid?
it produces a brick/dark red stain.
What does blotted mean?
A dark mark or stain
Why is brown stain not a test for bismuth ion?
it is dark
How much brown stain must be mixed in to 5 gallons of black stain to get dark brown stain?
It depends on the specific shades of black and brown stains you are working with. To achieve a desired dark brown color, you would need to experiment with different ratios. Start by adding a small amount of brown stain to a small portion of the black stain and mix well. Adjust the ratio by adding more brown stain if it is not dark enough, or more black stain if it is too dark. Once you achieve the desired shade, use the same ratio to mix the remaining 5 gallons of black stain.
What type of microscopy is the negative stain similar to?
The darkfield microscope. "darkfield microscopy"
