Chlorophyll a has a magnesium atom at its center, whereas chlorophyll b has a phosphate group at its center. c. Chlorophyll a has a methyl group, whereas chlorophyll b has an aldehyde group. d. A hydrocarbon tail is found only in chlorophyll a.
By 1977, Pittsburgh Brewing Company was one of just 40 breweries left in the country. To rebound from difficult years, the brewery introduced a new light beer, Iron City Lightâor IC Light. IC Light's aggressive marketing campaign targeted the young beer drinker.
Irn-Bru (pronounced iron brew, IPA: /'aÉªÉn ËbruË/) is a popular carbonated soft drink produced in Scotland.It is made by A.G. Barr plc, of Glasgow.Barr's Irn-Bru is available in the United Kingdom, the Republic of Ireland, Russia, Canada, South Africa, Singapore, parts of Europe such as Poland, the Middle East, in some parts of Australia (introduced in 2006), and in the United States.Source(s): kayboff Â· 8 years ago.rn-Bru (pronounced iron brew, IPA: /'aÉªÉn ËbruË/) is a popular carbonated soft drink produced in Scotland.