An inappropriate immune system response against a nonpathogenic antigen is a (an) ?

A. Autoimmune disease

B. Secondary immune reaction

C. Allergic reaction

D. Vaccination reaction

How do these effects on the gene pools lead to speciation

The saphenous vein is located on an animal's A. hindleg. B. neck. C. tail. D. foreleg.

Which terms describe the motion of most objects in our solar system

What does it mean a an electron

Carol is enjoying eating her dinner. While eating, she notices that her saliva secretion is higher than normal and that she feels good and relaxed. What causes this relaxed state?

What is a biological definition of Archaea.

4. What did the mitochondrial DNA testing show? What do scientists believe happened to Anastasia?

13. what type of bond forms between a slightly positive hydrogen atom in one molecule and a slightly negative atom in another molecule A. atomic bond B. ionic bond C. hydrogen bond D. covalent bond

3. Why doesn't the temperature of the water change while the ice is melting or boiling? (what is happening to the heat energy?)

A student is drinking a sports drink the volume of the drink is 450 ML and the mass of the drink is 452 grams what is the density of the liquid