Tungsten is a reagent used in the
A) acid-fast stain.
B) electron microscopy stain.
C) endospore stain.
D) flagellar stain.
E) negative stain.

Question

Quizplus · Accepted Answer

Tungsten is used in electron microscopy stains as it provides good contrast and high resolution of the specimen being observed. It is frequently used as a component of heavy metal stains such as uranyl acetate and lead citrate, which are commonly used in electron microscopy.

Tungsten Is a Reagent Used in the