peptidoglycan in bacterial cell envelope is made up of a)cellulose b)heteropolymer c)olligosachride d) homopolymer

Which of the following is the most likely outcome of global warming

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

Asegment of dna that codes for rna and a protein is a