All enzymes are proteins Antibodies are proteins

bone is made up of proteins Proteins are made of saccharides

Proteins are made of amino acids Another term for protein is polypeptide

Keratin is a protein that gives strength to hair, skin and nails

Proteins are essential in blood clotting

Actin is a protein that starts muscle contraction

Myosin is a protein that starts muscle contraction

Collagen is a protein that gives strength to connective tissue

amino acids are joined together by a peptide bond

amino acids join together for condensation reaction

A long chain of amino acids is a polypeptide

Enzymes are all globular proteins collagen and keratin are fibrous proteins, have structural role

The secondary structure of a protein is a beta sheet

The secondary structure of a protein is an alpha helix

Haemoglobin is a protein with a quaternary structure

There are 20 amino acids

There are 21 amino acids There are 26 amino acids

Structural Proteins are physically strong

Transport proteins are found in cell membranes

TRUEFALSE

Protein True or False