Which dye is used to stain chromosomes?

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(D) Chromosomes are composed of chromatin,which consists of $DNA$ and proteins. Various stains are used in cytology to visualize chromosomes during ce

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) Chromosomes are composed of chromatin,which consists of $DNA$ and proteins. Various stains are used in cytology to visualize chromosomes during cell division. $1$. Acetocarmine is a common nuclear stain used to stain chromosomes in squash preparations. $2$. Hematoxylin is a basic dye that binds to acidic components like $DNA$ in chromosomes,staining them blue or purple. $3$. The Feulgen stain is a specific histochemical technique used to identify chromosomal $DNA$,which stains reddish-purple. Since all these dyes are used for staining chromosomes,the correct answer is $D$.

Column-$I$	Column-$II$
$(A)$ Typical animal cell	$(i)$ Multinucleate
$(B)$ Zygote	$(ii)$ Uninucleate
$(C)$ Human $RBC$	$(iii)$ Binucleate
$(D)$ Plant endosperm	$(iv)$ Enucleated

$(a)$ Protein	$(i)$ $SER$
$(b)$ Lipid	$(ii)$ Golgi body
$(c)$ Glycoprotein	$(iii)$ Lysosome
$(d)$ Hydrolytic enzyme	$(iv)$ $RER$

Similar Questions

Match the items in Column-$I$ with Column-$II$ and select the correct option:
Column-$I$ Column-$II$
$(A)$ Typical animal cell $(i)$ Multinucleate
$(B)$ Zygote $(ii)$ Uninucleate
$(C)$ Human $RBC$ $(iii)$ Binucleate
$(D)$ Plant endosperm $(iv)$ Enucleated

In which of the following are plastids $NOT$ found?

$S$ - Statement: The nucleolus is the regulatory center for various activities occurring in the cell.
$R$ - Reason: Rudolf Virchow coined the term 'cell'.

The filaments arising from desmosomes are called

Match the following:

$(a)$ Protein $(i)$ $SER$

$(b)$ Lipid $(ii)$ Golgi body

$(c)$ Glycoprotein $(iii)$ Lysosome

$(d)$ Hydrolytic enzyme $(iv)$ $RER$

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