Explain the relationship between cells, tissues, organs, and organ systems.
80 points and !

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]