Protein is the embodiment of cell life activities!

Functions of protein:

①Protein is an important component of tissues and cells,

For example, muscles, bones and internal organs are mainly composed of protein. The protoplasm of all cells is mainly composed of protein, and the cell membrane and intercellular substance of animals are also mainly composed of protein.

② Participate in material metabolism (such as enzymes ) and the regulation of physiological functions (such as protein hormones).

③Movement: such as myosin, actin, carrier proteins on the cell membrane

④Transport: such as hemoglobin

⑤Immune effects such as antibodies

etc.