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.
An ICEEÂ® is a frosty cold drink (similar to a 7-Eleven SlurpeeÂ®) made from flavored-syrup, water, and CO2. The ICEE was invented by Omar Knedlik in the late 1950sâit was kind of a necessity is the mother of invention story. Knedlik owned a Dairy Queen, but lacked the soda fountain he knew would draw extra customers.