Which nucleic acid is pictured on the right

RNA is pictured on the right, with one strand of nucleotides consisting of a phosphate group, the sugar ribose, and one of four nitrogenous bases.

the answer would be 3

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.