Almost every essential function in humans is carried out by proteins; all humans need proteins.
for what?
Amino proteins are the most required proteins in the body. This is an example proteins sentence.
fats and proteins
Facilitated diffusion requires membrane proteins
proteins
Proteins are required for the structure, function, and regulation of the body's cells, tissues, and organs.
Proteins perform all of the required tasks, structure, and activity in living things. They are required for nearly all of the functions of an organism and without them, there would be no life.
Nitrogen is needed for good plant growth and helps them make proteins.
yea
Proteins are required for building muscles.
For growth
it is the main component of proteins and nucleic acids. hence for a plant to synthesise proteins and nucleic acids, N is required