Key information in DNA specifies the sequence of amino acid subunits that will compose enzymes and other proteins in the cell. Before these proteins can be synthesized, however, what intermediate molecule is synthesized to carry the information coded in the DNA?

A., ribose
B., deoxyribose
C., RNA ,
D., nucleotide

Baroreceptors in the aortic arch and carotid bodies are mechanoreceptors that respond to the stretch that occurs in these arterial walls with changes in blood pressure. if pressure changes rapidly, the baroreceptors initiate a feedback mechanism that reduces blood pressure; however, if pressure changes slowly, as in developing hypertension, the receptors do not respond. given this information, the baroreceptors are most likely which type of receptor?