Answer:
Endomembrane system is made up of endoplasmic reticulum and Golgi apparatus. Rough endoplasmic reticulum play a key role in protein synthesis, while golgi apparatus is responsible for packaging, modification and transport of proteins to different parts of cell.
There are four major classes of biological macromolecules:
carbohydrates.
lipids.
proteins.
nucleic acids.
in the microbiology world, is used to determine O Capability of a microbe to perform a specific enzymatic activity. O Staining characteristics. O Nucleic acid-base composition of DNA sequences.
When the nurse gives you a shot, the Vaccine release white blood cells that fights flu viruses, you can stay happy and healthy!