Porcine Pepsin is a serine Endoproteinase with molecular weight of 35 kD. Its optimum activity is in the acid range (pH 2.0 â pH 4.0) and it predominantly cleaves peptide bonds on the carboxy side of aromatic and hydrophilic residues.
Take It Easy is a song written by Jackson Browne and Glenn Frey, and recorded by the Eagles with Frey singing lead vocals. It was the band's first single, released on May 1, 1972. It peaked at No. 12 on the July 22, 1972 Billboard Hot 100 chart.
Both sites allow you to search for song lyrics by song title or by words in the lyrics. So, if you know that they were standing on a corner in Winslow, Arizona, you can plug that into the search engine and find out it is the Eagles who sings Take It Easy.. Go old school. If the Internet and a fancy new phone app can't tell you who sings the song, contact the radio station on which you heard it.