TRUE or FALSE? A compound that changes color when it comes into contact with an acid or a base is called an indicator ex: litmus paper

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

All ova contain sex chromosomes corresponding to: x y xx xy

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.