Biology

• Alanine transaminase
  Alanine transaminase
  Alanine transaminase or ALT is a transaminase enzyme . It is also called serum glutamic pyruvic transaminase or alanine aminotransferase ....
  
   or Glutamate Pyruvate Transaminase, an enzyme useful in a blood test
• Xanthine-guanine phosphoribosyl-transferase, an enzyme in purine metabolism
  Purine metabolism
  -Biosynthesis:Purines are biologically synthesized as nucleotides and in particular as ribotides, i.e. bases attached to ribose 5-phosphate. A key regulatory step is the production of 5-phospho-α-D-ribosyl 1-pyrophosphate by PRPP synthetase, which is activated by inorganic phosphate and...
  
  

Technology

• Green Power Tower, wind and solar power generator, uses its entire surface to collect wind and solar energy with much greater efficiency than windmills
• GUID Partition Table
  GUID Partition Table
  In computer hardware, GUID Partition Table is a standard for the layout of the partition table on a physical hard disk. Although it forms a part of the Extensible Firmware Interface standard , it is also used on some BIOS systems because of the limitations of MBR partition tables, which restrict...
  
  , the disk partitioning format commonly used by EFI-compliant firmware
• Gallons Per Thousand, a unit of concentration
  Concentration
  In chemistry, concentration is defined as the abundance of a constituent divided by the total volume of a mixture. Four types can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration...
  
  , in gallons per thousand gallons
• Group Policy Template, a file system folder that includes policy data specified by .adm files
• Google Publisher Tag, a JavaScript tag embedded in HTML pages to display ads served with DFP by Google

Companies

• General Property Trust
  General Property Trust
  General Property Trust Limited , trading as GPT Group, is an Australian company that is a property investor and manager in Australia, Europe and the United States...
  
  , a property investment company in Australia
• GEC-Plessey Telecommunications, a telecommunications manufacturer later known as Marconi Communications

Other

• General Purpose Technology
  General Purpose Technology
  General purpose technologies are technologies that can affect an entire economy . GPTs have the potential to drastically alter societies through their impact on pre-existing economic and social structures...
  
  , an economic term that describes technologies with wide economic effect
• Paid to surf
  Paid to surf
  Pay to surf is a business model that became popular in the late 1990s, prior to the dot-com crash. Essentially, a company uses income from advertising placed on members' screens to pay them for time spent surfing....
  
  , or Get Paid To
• Gulfport-Biloxi International Airport
  Gulfport-Biloxi International Airport
  -Hurricane Katrina:The airport was closed for repairs following severe damage by Hurricane Katrina on August 29, 2005. On September 8, 2005, the airport reopened for commercial flights on Northwest Airlines to Memphis and other airlines quickly followed suit. On February 1, 2006, Gulfport-Biloxi...
  
  , with IATA airport code GPT
• Grounded Practical Theory, a methodological approach to guide the development and assessment of normative Theories in the social sciences.