Converting a Gene to an RNA ï§ Transcription â¢ Enzymes use the nucleotide sequence of a gene to synthesize a complementary strand of RNA ï§ DNA is transcribed to RNA â¢ Most RNA is single strandedâ¢ RNA uses uracil in place of thymineâ¢ RNA uses ribose in place of deoxyribose. DNA and RNA.
In 1999 Repsol bought 97.81% of the Argentine oil and gas company YPF S.A., which at the time was the largest oil-and-gas company in Latin America. The acquisition better positioned Repsol as a multinational company. Repsolâs acquisition of YPF also increased its capital to 288 million shares worldwide.
HSPF â. HSPF stands for Heating Seasonal Performance Factor and is primarily used to measure the heating efficiency of heat pumps and ductless heat pumps, although it is also used (somewhat confusingly) to describe the overall heating and cooling capabilities of a system.SPF, SEER, and AFUE â Demystifying Efficiency Ratings. The world of heating and cooling certainly has its fair share of tricky technical language, which can make it difficult for consumers to make an informed decision when buying new equipment.