The endoplasmic reticulum is only one component of a cell. 1  The following cell structures can also be found in a typical animal eukaryotic cell: 2  Centrioles - cylindrical groupings of microtubules found in animal cells but not plant cells. They help to organize spindle fibers during cell division.
Android application package (APK) is the package file format used by the Android operating system for distribution and installation of mobile apps and middleware. The files that contain the .apk file extension store the files that are needed to run a single Android application on an Android mobile device.
You can also install APK files from the browser on your Android smartphone or tablet. Just open your browser, find the APK file you want to download, and tap it-you should then be able to see it downloading on the top bar of your device.Once it's downloaded, open your downloads, tap on the .apk file, and tap yes when prompted.pk files, are like .exe (executable) files on a pc, with some differences. When you install software on a pc, it loads the program, with all of the files it needs to operate on your pc, and the .exe, is the working part of the program (dlls are the libraries).