A protein that is said to be denatured means that its tertiary structure is caused to unfold possibly by heat, alkali, acid, or by other chemical or physical means, making the molecule lose its original state and become biologically inactive.
Education and Training Requirements. Individuals interested in becoming a host or hostess should take courses in business, arithmetic, bookkeeping, family and consumer science, and public speaking. Hosts and hostesses should be friendly and outgoing people who can remain calm and courteous during rush periods.
1 Be 21 years old on or before your appointment date. 2  You must be a U.S. Citizen. 3  Be a High School graduate or its educational equivalent. 4  Reside in New York State to meet the residency requirement.5  Successfully pass the written Civil Service Exam with a minimum final score of 70%. Be a High School graduate or its educational equivalent. 2  Reside in New York State to meet the residency requirement. 3  Successfully pass the written Civil Service Exam with a minimum final score of 70%.