Which of the following structures is not a component of a photosystem?
atp synthase
antenna molecule
reaction center
primary electron acceptor

ATP synthase

Explanation:

ATP synthase is an enzyme with two functional components and is responsible for the synthesis of ATP through photophosphorylation. Along with other components of the electron transport chain, the ATP synthase of the chloroplast is present on the stromal side of thylakoid membranes. ATP synthase complexes are not part of photosystems.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

c

explanation: