Descriptions of enzyme mechanisms often contain the terms intermediate, transition state, and transition state analogue. the terms intermediate and transition state both describe chemical species along the reaction pathway, but there are important distinctions between the two. transition state analogues are often used in enzyme mechanism studies.

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.