Penicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (oral use), procaine penicillin, and benzathine penicillin (intramuscular use).They are derived from Penicillium fungi.enicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (oral use), procaine penicillin, and benzathine penicillin (intramuscular use).
Instructions. Tap the Settings icon on the iPhone home page. Select Notifications from the menu. Tap the On/Off button to the right of the word Notifications at the top of the screen to toggle it to the Off position and disable all badge alerts.Tap on the name of a particular application from the list to clear the badge alerts for a specific program.elect Notifications from the menu. Tap the On/Off button to the right of the word Notifications at the top of the screen to toggle it to the Off position and disable all badge alerts.
To change the notification sounds, follow these steps: 1  From the Home screen, tap Settings. 2  Tap Sounds. 3  Tap on the desired notification. 4  Scroll to and tap the desired ringtone. 5  Press the home button at the bottom of the device.. Open iTunes. 2  Connect the iPhone to your computer using the included USB cable. 3  Click the Device button in the upper-right corner. 4  If viewing the iTunes Store, click the Library button first. 5  If you don't see your device, you may need to hide the sidebar.