Lab coats may or may not be considered PPE, depending on whether the fabric they are made out of is fluid resistant. If lab coats are fluid resistant and provide coverage in the form of high necks, etc., they can be considered PPE. The lab coats would have to be worn during procedures in which a splash/spray exposure could be expected.
-forms an important part of both subunits of the ribosome What is the role of tRNA? -carries amino acids to the ribosome and matches them to the coded mRNA message
The importance of protein. Protein is a part of every cell in your body, and no other nutrient plays as many different roles in keeping you alive and healthy. The importance of protein for the growth and repair of your muscles, bones, skin, tendons, ligaments, hair, eyes and other tissues is proven since a very long time. Without it, you would lack the enzymes and hormones you need for metabolism, digestion and other important processes.