*Question*
Answer the following question given this paragraph: The transmission of nerve impulses between neurons is like the passing of a baton between runners in a relay race. After the first runner races, she passes the baton to the second runner. Then the second runner takes over. Instead of a baton, a neuron passes neurotransmitters to the next neuron. Q: Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what? Choices: - enzymes - axons - receptors - neurotransmitters A:
**Answer**
neurotransmitters

*Question*
Answer the following question given this paragraph: Drumlins, eskers, and kettle lakes are features made of glacial till. Q: What are drumlins, eskers, and kettle lakes formed by? Choices: - earthquakes - meteors - tsunamis - glaciers A:
**Answer**
glaciers

*Question*
Answer the following question given this paragraph: The first year of life after birth is called infancy. During infancy, a baby grows very quickly. The baby's length typically doubles and her weight triples by her first birthday. Many other important changes also occur during infancy:. Q: What is the first year of life following birth called? Choices: - baby - childhood - toddler - infancy A:
**Answer**
infancy

*Question*
Answer the following question given this paragraph: No matter what the cell, all cells come from preexisting cells through the process of cell division. This is one of the core concepts of the Cell Theory. The cell may be the simplest bacterium or a complex muscle, bone, or blood cell. The cell may comprise the whole organism, or be just one cell of trillions. But whatever type of cell it is, it comes from a preexisting cell. And the new cell is genetically identical to its parent cell - that is, it has exactly the same DNA. Q: Where do cells come from? Choices: - sexual reproduction - mutations - nuclear fission - preexisting cells A:
**Answer**
preexisting cells