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 (Heating Seasonal Performance Factor) is a term used in the heating and cooling industry.HSPF is specifically used to measure the efficiency of air source heat pumps.he higher the HSPF rating of a unit, the more energy efficient it is. HSPF is a ratio of BTU heat output over the heating season to watt-hours of electricity used. It has units of BTU/watt-hr. Depending on the system, an HSPF â¥ 8 can be considered high efficiency and worthy of a US Energy Tax Credit.