Q: In a cell cycle, what kind of regulator molecules allow advancement to the next stage? Choices: - strong - similar - negative - positive A:
positive

Q: When water particles become hot enough to overcome the force of attraction between them, what happens to the water? Choices: - it freezes - it pools - it evaporates - it boils A:
it boils

Q: Q: What is the alkaline hydrolysis reaction of an ester called? Choices: - instantiation - fermentation - resorption - saponification A:
A: saponification

Question: Q: In a medium, the closer the distribution of the material gets to what state, the slower the rate of diffusion becomes? Choices: - erosion - gas - elastic - equilibrium A:
Answer: equilibrium

*Question*
Q: The major cause of outdoor air pollution is the burning of? Choices: - trees - trash - charcoal briquettes - fossil fuels A:
**Answer**
fossil fuels

*Question*
Q: What does the presence of gill slits suggest about humans and fish? Choices: - Shared History - Common Cells - Same evolutionary chain - common ancestor A:
**Answer**
common ancestor