1 Quaternary Structure-refers to the structure of a protein macromolecule formed by interactions between multiple polypeptide chains. 2  Each polypeptide chain is referred to as a subunit. 3  Proteins with quaternary structure may consist of more than one of the same type of protein subunit.
1 Set the plant in a water-proof container to protect your furniture. 2  Water the plant thoroughly when the soil surface is dry to the touch. 3  Discard any excess water which remains in the saucer after 10 minutes. 4  The bright colour of the bracts will remain longer if temperatures do not exceed 22Â°C.
Watered down vinegar would effect less. add a tiny amount of vinegar and sugar to water for cut flowers to help them live longer. In hard water areas, acid loving plants such as rhododendrons and azaleas can suffer. Mix a cup of vinegar with a few litres or so of water and water plants with this, once a week at most.