Which of the following are true of muscle disorders? Select all that apply. -Congenital muscle disorders are acquired.

-Muscle disorders are very well understood.

-Developmental disorders are present at birth.

-Polymyositis involves muscle inflammation and weakness.

-Fibromyalgia involves muscle soreness, fatigue, and depression.

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.]