Instructions. Connect the iPhone to your computer using the iPhoneâs USB cable. Open iTunes on the computer if it does not open automatically when you connect the iPhone. If you donât have the latest version of iTunes, you can download it free from Appleâs website.Select the iPhone on the list of available devices in iTunes.nstructions. Connect the iPhone to your computer using the iPhoneâs USB cable. Open iTunes on the computer if it does not open automatically when you connect the iPhone. If you donât have the latest version of iTunes, you can download it free from Appleâs website.
In immunology, activation is the transition of leucocytes and other cell types involved in the immune system. On the other hand, deactivation is the transition in the reverse direction.
Activation of the complement system. Complement is a term used to denote a group of more than 30 proteins that act in concert to enhance the actions of other defense mechanisms of the body. Complement proteins are produced by liver cells and, in many tissues, by macrophages.