The table gives the structures of four amino acids present in proteins in the human body. Complete the table by showing the type of tertiary interaction each side-chain is most likely to form when the amino acid is part of a protein chain.
Metal ions are important in the biochemistry of the human body. For each of the following metal ions, outline one place where it is found in the body and its main function there. Metal ions: - iron - potassium - zinc
Write an equation that shows the breakdown of this compound, which is the main source of energy for cellular reactions.
What type of chemical reaction is shown here?
From the information given about people with cystic fibrosis, suggest which ions are involved in the ion movement.
Suggest and explain what type of bonding could produce thick or sticky mucous.