The three parts of an amino acid are the amino group, the carboxyl group, and the group.

Is snow a type of precipitation? explain why or why not.

What is a codon and where is it found

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food