Which molecules make up the sides of the dna ladder? phosphate and nitrogen bases deoxyribose and phosphate nitrogen bases and glucose glucose and deoxyribose description

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.