protein

• what is the structure of a protein?

  amino acids joined together by peptide bonds
• how are amino acids made?

  The order of DNA bases in a gene determines the amino acid produced
• what determines the function of a protein?

  The sequence of the amino acids determines the shape and the function of the protein
• function of a structural protein?

  Provide structural support.
• function of a hormonal protein?

  chemical messengers produced by endocrine glands travel in bloodstream to their ‘target organ’ where they cause a specific response
• function of antibodies?

  produced by lymphocytes/ white blood cells. destroy pathogens
• function of receptor proteins?

  complementary for a specific hormone
• function of an enzyme?

  Biological catalysts Speed up rate of all biochemical reactions SPECIFIC shaped ACTIVE SITE which bind a specific substrate