1. Prokaryotes are single-celled and they lack a. cell membrane b. nucleus c. cell wall d. cytoplasm 2. Cell size is limited by a physical relationship called the length-to-width ratio. True or False? 3. Which Function is associated with Golgi bodies? a. storing carbohydrates b. breaking down material c. making proteins d. processing and transferring new proteins 4.the build-up of hydrogen ions in the matrix drives the flow of hydrogen ions from the matrix across the inner membrane to the intermembrane space, which drives the formation of ATP. True or False?

1. b

Explanation:

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.

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