Problem: 
Q: Answer the following question given this paragraph:   Note that like most other cells, these nerve cells have a nucleus. They also have other organelles. However, the long, threadlike extensions of the nerve cells are unique. This is where the nerve impulses are transmitted.   Q: Which part of the nerve cell helps transmit nerve impulses?   A:
Answer: long, threadlike extensions
Problem: 
Q: Answer the following question given this paragraph:   Motion of water molecules helps break up interactions between solid ions or molecules.   Q: Motion of water molecules helps break up interactions between what?   A:
Answer: solid ions or molecules
Problem: 
Q: Answer the following question given this paragraph:   E XA MP L E 1 7 Hydrogen gas is generated by the reaction of nitric acid and elemental iron. The gas is collected in an inverted 2.00 L container immersed in a pool of water at 22°C. At the end of the collection, the partial pressure inside the container is 733 torr. How many moles of H2 gas were generated?.   Q: Hydrogen gas is generated by the reaction of nitric acid and what else?   A:
Answer:
elemental iron