Acid-fast is used for finding endospores---stress tolerant reproductive cells, produced by some bacteria.
No, archaea do not possess organelles within their cellular structure.
Fart can be
The most basic feature is cellular structure.
epithelium
microfilaments
Nucleoid
The Nucleus
to understand it.
nucleus
-.-
# Nucleolus.
Cellular inclusions are non-living material within the cell that serve various functions. They can be stored nutrients, pigments, or waste materials. These inclusions are typically surrounded by a membrane or protein coat and are distinct from the rest of the cell's structure.