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.
1 Immediately after cutting each bloom, drop the stem in the water. 2  Indoors, boil water and pour it into a cup or any container. 3  Cut the hydrangea stems to the desired length. 4  Stand the stems of the hydrangeas in the hot water for 30 seconds.  Immediately put into room temperature water and then arrange.