*Question*
Q: Because collisions are ______, energy can be transferred between molecules during them. Choices: - conductive - inelastic - preservative - elastic A:
**Answer**
elastic

*Question*
Q: What is the plasma membrane formed by? Choices: - a cytoplasm bilayer - cholesterol byproduct - single lipid layer - a phospholipid bilayer A:
**Answer**
a phospholipid bilayer

*Question*
Q: Elements involved in nuclear reactions are what? Choices: - detectable - inert - static - radioactive A:
**Answer**
radioactive

*Question*
Q: What is the term for species evolving together? Choices: - conjuration - interconnection - specmutation - coevolution A:
**Answer**
coevolution