The characteristics below can be used to describe some molecules. Which of these characteristics describes a protein?
includes any type of -ose molecule
includes DNA & RNA
used for insulation in organisms
helps build muscle
molecules are hydrophobic
function as enzymes in cells

What did hunter gathers do to alter the environment?

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

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?