is a protein attached to the thylakoid membrane that helps synthesize ATP each time a H+ ion exits the thylakoid. a)ATP Synthase
b)Proton Pump
c)NADPH
d)ADP

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.

i just did the question on apex and the answer is b. it provides the code for the protein.