Which of the following dyes is used for staining chromosomes?

Which of the following is best suited for staining of chromosomes?

Answer: Caramine is best suited for staining chromosomes. Carmine is the bright red dye that is mainly used for color food, textiles and cosmetics…..

Which of the following dyes is not used for staining chromosomes?

(b) Saffanin stain is not used for staining chromosomes while Basic Fuchsin, Methylene green and Carmine are used for staining chromosomes.

Which of the following dyes are useful to stain nuclear material?

Haematoxylin. Haematoxylin (hematoxylin in North America) is a nuclear stain. Used with a mordant, haematoxylin stains nuclei blue-violet or brown. It is most often used with eosin in the H&E stain (haematoxylin and eosin) staining, one of the most common procedures in histology.

Which stain is used to Visualise mitochondria?

Answer: (d) Janus green is used to stain mitochondria. Janus green act as an indicator and changes colour according to the amount of oxygen present.

Is methylene blue used to stain chromosomes?

Carmine The basic dye, is used to stain nucleic acid and chromosomes, whichpossess negative charge on them. It gives chromosomes a pink colour thus, differentiating from other cellular organelles. … Methylene blueIt used to stain nuclei, Golgi bodies and pectic substances.

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Which stain is usually used to colour chromosomes Class 11?

Gentian violet, Safranin and Giemsa stain are commonly used to colour chromosomes.

Which stain is used to stain nucleus?

Although there are various nuclear stains, Methylene blue is the most commonly used nuclear stain to observe the nucleus in the cheek cells.

Which stain is used for DNA staining?

Ethidium bromide is likely the most well-known dye used for visualizing DNA. It can be used in the gel mixture, the electrophoresis buffer, or to stain the gel after it is run.

Which stain is specific for staining of DNA?

Hoechst stains – two types of fluorescent stains, 33258 and 33342, these are used to stain DNA in living cells. Iodine – used as a starch indicator. When in solution, starch and iodine turn a dark blue color.