Related Questions. 1  There is an ancient invention still used in some parts of the world today that allows people to see through wa. 2  There is an ancient invention still used in some parts of the world today that allows people to see through wa.  Ancient invention which is still used in some parts of the world today which allows people to see through wall.
A pellicle is a skin or coating of proteins on the surface of meat, fish or poultry, which allow smoke to better adhere the surface of the meat during the smoking process. pellicle is a skin or coating of proteins on the surface of meat, fish or poultry, which allow smoke to better adhere the surface of the meat during the smoking process.
A pilus (Latin for 'hair'; plural: pili) is a hairlike appendage found on the surface of many bacteria. The terms pilus and fimbria (Latin for 'fringe'; plural: fimbriae) can be used interchangeably, although some researchers reserve the term pilus for the appendage required for bacterial conjugation.All pili are primarily composed of oligomeric pilin proteins. Dozens of these structures can exist on the bacteria.he terms pilus and fimbria (Latin for 'fringe'; plural: fimbriae) can be used interchangeably, although some researchers reserve the term pilus for the appendage required for bacterial conjugation.