ANSWER ASAP! WILL GIVE BRAINLIEST! Which of the following is the most likely result of a mutation in the lac operator that prevents release of the repressor proteins?

A) The lactose permease protein will be produced, even in the absence of lactose.

B) Transcription of the structural genes will be blocked, even in the presence of lactose.

C)The catabolite activator protein will be bound to the CAP site, even in the presence of glucose.

D) Expression of the lacI gene will be repressed, even in the absence of glucose.

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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.