How is science a community endeavor?

Science is a community endeavor. It relies on a system of checks and balances, which helps ensure that science moves in the direction of greater accuracy and understanding. This system is facilitated by diversity within the scientific community, which offers a broad range of perspectives on scientific ideas. http://undsci.berkeley.edu/article/intro_01Understanding Science:What are its characteristics?

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

answer; (a) medicalized;