Specialized proteins that act as catalysts for chemical reactions are carbohydrates lipids enzymes nucleic acids

Specialized proteins that act as catalysts for chemical reactions are enzymes.

Enzymes are special proteins that significantly act as catalyst, speeding up the rate of almost all of the chemical reactions that occur within cells. Enzymes are composed of long chains of amino acids that are joined together by peptide bonds. There are several types of enzymes and typically, a certain enzyme is responsible for a specific chemical reaction only. Enzymes are important for life because they perform various essential functions in the body, such as aiding in digestion and metabolism.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.