During photosynthesis, the water molecule is broken into hydrogen and oxygen. The hydrogen atoms are used to form a carrier molecule called NADPH that, later in the photosynthesis process, is broken down to form glucose, a sugar that organisms commonly use for energy.
What is the MBR. The MBR (stands for âMaster boot recordâ) is a boot sector (a region of your hard disk) that holds information about the partitions of your hard drive and acts as a loader for the operating system youâre running. The Master boot record is created when you first install Windows, on the first partition you create. Itâs the first 512 bytes of your hard disk. If the MBR is damaged, you wonât be able to boot into Windows. All Windows versions â Windows XP, Vista, 7 or 8 â use MBR and, if damaged you wonât be able to boot.
7) Stealth viruses. File Virus:- This type of virus normally infects program files such as .exe, .com, .bat. Once this virus stays in memory it tries to infect all programs that load on to memory. Macro Virus: - These type of virus infects word, excel, PowerPoint, access and other data files.aster boot record files: - MBR viruses are memory-resident viruses and copy itself to the first sector of a storage device which is used for partition tables or OS loading programs .A MBR virus will infect this particular area of Storage device instead of normal files.