*Question*
Q: Where can neurohormones act within the body? Choices: - nerve endings - digestive process - brain only - throughout A:
**Answer**
throughout

*Question*
Q: Gene duplications that are able to persist over many generations without causing too much harm to an organism or species can lead to what? Choices: - characteristics - parasites - permutations - mutations A:
**Answer**
mutations

*Question*
Q: What is used to measure current through a resistor? Choices: - thermometers - spectrographs - microscopes - ammeters A:
**Answer**
ammeters

*Question*
Q: Mechanical churning of food in what organ serves to further break it apart and expose more of its surface area to digestive juices, creating an acidic "soup" called chyme? Choices: - liver - kidneys - gall bladder - stomach A:
**Answer**
stomach