*Question*
Q: What is the term for a solution that resists dramatic changes in ph? Choices: - inert - neutral - stable - buffer A:
**Answer**
buffer

*Question*
Q: What is the main difference between prokaryotic or eukaryotic cells ? Choices: - the type of metabolic waste - the presence of cell walls - the presence of a Golgi Apparatus - the presence of a nucleus A:
**Answer**
the presence of a nucleus

*Question*
Q: Gravitropism ensures that roots grow into the soil and that shoots grow toward what? Choices: - the north pole - trees - the south pole - sunlight A:
**Answer**
sunlight

*Question*
Q: What is the thick fluid in the space between bones that cushions the joint? Choices: - interstitial fluid - amniotic fluid - collagen - synovial fluid A:
**Answer**
synovial fluid