Protein: meaning, definitions and examples

Used to refer to the essential macronutrient needed for muscle repair, growth, and overall bodily functions. It's common in discussions about diet, nutrition, fitness, and health.

• You should include lean protein in your diet for better health.
• Athletes often consume protein shakes after workouts.

Refers to the organic compounds that combine to form proteins. It is commonly used in scientific contexts, biochemistry, and discussions about nutrition at a more detailed level.

• Essential amino acids must be obtained through diet.
• Amino acids are the building blocks of proteins.

A broader term that encompasses all substances necessary for growth and health, including vitamins, minerals, proteins, fats, and carbohydrates. It's frequently used in discussions about overall diet and nourishment.

• Fruits and vegetables provide essential nutrients for your body.
• A balanced diet contains all the essential nutrients you need.

A metaphorical term often used to describe the basic components that make up proteins in both scientific and lay conversations. It can also be used more broadly to describe fundamental elements in various contexts.

• Proteins are made up of smaller building blocks called amino acids.
• Learning these basic skills are the building blocks for success.

General discussions about nutrition, biology, or the body's building blocks. Easily understood by wider audiences.

• Protein is essential for muscle repair and growth.
• Many athletes consume protein shakes after workouts.

Academic or scientific context, especially when referring to large and complex molecules like proteins, nucleic acids, or polysaccharides.

• DNA is an example of a macromolecule with a complex structure.
• Proteins are macromolecules that perform a variety of functions in the body.

Technical and scientific contexts, particularly in biochemistry or molecular biology, when talking about chains of amino acids before they form a functional protein.

• A polypeptide is formed by the linkage of several amino acids.
• This polypeptide does not fold correctly and fails to function as intended.

Scientific or technical discussions where specificity about the chemical nature is important.

• Hemoglobin is a biochemical compound that carries oxygen in the blood.
• This biochemical compound plays a crucial role in cellular metabolism.