Â© 2014 Pearson Education, Inc. The Chemical Reactions in Glycolysis â¢ The first five reactions require an energy investment of two molecules of ATP, which are used to add two phosphate groups to the sugar molecule. â¢ This molecule is split into two sugar phosphates.
Online shopping (sometimes known as e-tail from electronic retail or e-shopping) is a form of electronic commerce which allows consumers to directly buy goods or services from a seller over the Internet using a web browser.nce a particular product has been found on the website of the seller, most online retailers use shopping cart software to allow the consumer to accumulate multiple items and to adjust quantities, like filling a physical shopping cart or basket in a conventional store.
Tailgating, sometimes referred to as piggybacking, is a physical security breach in which an unauthorized person follows an authorized individual to enter a secured premise. Tailgating provides a simple social engineering-based way around many security mechanisms one would think of as secure. Even retina scanners don't help if an employee holds the door for an unknown person behind them, out of misguided courtesy.