noun
- complex molecules made of amino acids that are essential for the structure and function of living organisms
Usage: biology; nutrition
Examples
- Proteins are found in foods like meat, fish, eggs, and beans.
- The human body needs proteins to build and repair muscles.
- Scientists study how proteins fold into their three-dimensional shapes.
- Complete proteins contain all nine essential amino acids.
- Plant-based proteins can be found in nuts and legumes.
- Enzymes are special proteins that speed up chemical reactions.
- A balanced diet should include adequate amounts of proteins.