1 I don't know what 10 year old boys are into anymore; my advice is to ask him what we wants for the cake or cupcakes. 2  If it's a surprise (or if he doesn't care as long... 3  10 is a hard age for cake because he's getting big, but I've had some recent luck impressing some 13 year old boys. 10 is a hard age for cake because he's getting big, but I've had some recent luck impressing some 13 year old boys. 2  You can see them on my myspace page (you donât h... 3  First, Pump it up is a great place. 4  My daughter celebrated her 6th birthday there.
Negative Staining- Principle, Reagents, Procedure and Result 3.95/5 (38) Negative Staining- Principle, Reagents, Procedure and Result. The main purpose of Negative staining is to study the morphological shape, size and arrangement of the bacteria cells that is difficult to stain. eg: Spirilla. It can also be used to stain cells that are too delicate to be heat-fixed.
In the staining process, those that decolorize easily are gram negative, and the one that retain the primary stain are gram positive.   The acid fast staining is a techique that stains only the gram positive and only the genuses of mycobacterium, nocardia, and actinomycetes.ram staining   Gram Staining is a way to separate one large groups of bacteria into two. Crystal violet is used to dye the cells, those that retain the color are grouped â¦ as Gram-positive, and those that do not retain the color are grouped as Gram-negative.