*Question*
Q: What is the distinctive shape of the molecule that contains genetic information? Choices: - cube - conical - cylindrical - spiral A:
**Answer**
spiral

*Question*
Q: What structures formed of twisted actin chains are found in almost every cell, and are numerous in muscle cells and cells that move by changing shape? Choices: - RNA - DNA - vesicles - microfilaments A:
**Answer**
microfilaments

*Question*
Q: Why are two different minerals considered different though they have the same chemical composition? Choices: - different linear structures - different molecular structures - different rods structures - different crystal structures A:
**Answer**
different crystal structures

*Question*
Q: In what two ways are volcanic eruptions characterized? Choices: - minor and explosive - localized and general - non-explosive and serious - explosive and non-explosive A:
**Answer**
explosive and non-explosive