In plants, the xanthophyll lutein is the most abundant carotenoid and its role in preventing age-related eye disease is currently under investigation. Lutein and the other carotenoid pigments found in mature leaves are often not obvious because of the masking presence of chlorophyll. When chlorophyll is not present, as in autumn foliage, the yellows and oranges of the carotenoids are predominant.
Government. Spain is a constitutional monarchy governed under the constitution of 1978. The hereditary monarch, who is the head of state, may ratify laws, dissolve the legislature, and propose candidates for the office of prime minister; he is also head of the armed forces.The prime minister (presidente) is the head of government. Spain: Government-Government Spain is a constitutional monarchy governed under the constitution of 1978.
1 President of the Government, sometimes misleadingly called the Spanish President, is the first minister and is elected by the Congress of Deputies. 2  He is informally but internationally and commonly referred to as the Prime Minister. 3  The current holder is Mariano Rajoy Brey, who was elected on December 21, 2011.his was approved by a general referendum of the people of Spain in 1978. The final interpretation of the Constitution, in the case of dispute, is the business of the Constitutional Court of Spain.