The only united states floral organization that has a nationally recognized and certified floral-design designation is the

American Institute of Floral Designers

Explanation:

The American Institute of Floral Designers is a non-profit organization established in 1965 in the USA. The objective of this institute is to stimulate, promote and help the creation of artistic works in the floral area of talented professionals who wish to be recognized as professionals. This is the only floral organization in the United States that has a nationally recognized and certified floral designation designation.

The genes that code for the positive cell cycle regulators are called proto-oncogenes. Proto-oncogenes are normal genes that, when mutated in certain ways, become oncogenes: genes that cause a cell to become cancerous. There are several ways by which a proto-oncogene can be converted into anoncogene .