DNA & production of proteins

• The DNA shape is called a double helix.
• The DNA is made up of 4 bases, adenine and thymine, cytosine and guanine.
• The DNA codes for proteins which the cells need.
• Proteins are build up from chains of amino acids.
• The DNA determines the order of amino acids in a protein.
• Antibodies protect bodies from disease.
• Structural proteins help to physically support the cell.
• Receptors receive signals.
• Hormones are chemical messengers.