Imagine that you are charles darwin and write a letter to your father detailing your observations aboard the beagle

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

Explain the significance of thesaurus geographicus

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?