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.
High temperatures will shorten the file of the bracts Poinsettias do no[ tolerate warm or cold drafts so keep them away from radiators, air registers, and fans as well as open windows or doors. Place your poinsettia in a cooler room at night (55 to 60 degrees F is ideal) to extend the blooming time.