Q: What can sodium ions not pass through? Choices: - Lipid Control - benthic lipid bilayer - narrowness lipid bilayer - nonpolar lipid bilayer A:
nonpolar lipid bilayer

Q: The svedberg unit is a measure of the rate of what, which is tested in a centrifuge? Choices: - precipitation - temperature - secretion - sedimentation A:
sedimentation

Q: Q: What kind of islands provide natural protection to shorelines? Choices: - patch islands - locational islands - edge islands - barrier islands A:
A: barrier islands

Question: Q: What's the process responsible for the presence of oxygen in our atmosphere? Choices: - respiration - ozone - glycolysis - photosynthesis A:
Answer: photosynthesis

*Question*
Q: What are substances that the body needs for energy, building materials, and control of body processes? Choices: - molecules - carbons - acids - nutrients A:
**Answer**
nutrients

*Question*
Q: What does the geiger counter detect? Choices: - vibration - convection - moisture - radiation A:
**Answer**
radiation