Peter's Grandma has very severe memory loss. Which of the following could she be suffering from? A. Spina bifida
B. Quadriplegia
C. Epilepsy
D. Alzheimer's

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis