What are proteins and what do they do?

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Proteins are the building blocks of life. They are naturally occurring, large, complex molecules made up of one or more long chains of amino acids.

Our bodies are made up of thousands of proteins, each with a designated function. Proteins are the constitutional elements of our cells and tissues, enzymes, and hormones.

Proteins are responsible for many critical functions in the body:

  • Digestive enzymes help facilitate chemical reactions
  • Support regulation and expression of DNA and RNA
  • Antibodies support immune function
  • Moves essential molecules around the body
  • Hormones help coordinate bodily function
  • Support muscle contraction & movement

Q & A Segment

What are proteins made up of?

Proteins are made up of long chains of hundreds or thousands of smaller units called amino acids,. There are 20 different types of amino acids which make a protein.

Knowledge Plus

The Most Abundant Protein

Type I collagen is the most abundant protein in human body found in the bones, muscles, skin, and tendons.

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