Carbon is an important element for life because it makes up: A. phosphates and nitrates B. lipids, carbohydrates, and proteins C. sodium chloride and potassium nitrate

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.