Q: What substances that primarily comprise plasma membranes form a bilayer? Choices: - amino acids - enzymes - steroids - phospholipids A:
phospholipids

Q: What energy is stored in a person or object? Choices: - kinetic energy - mechanical energy - stored energy - potential energy A:
potential energy

Q: Q: What is used for cooling detectors of infrared telescopes? Choices: - hand nitrogen - material nitrogen - carbon dioxide - liquid nitrogen A:
A: liquid nitrogen

Question: Q: An electrical motor changes electrical energy into what? Choices: - chemical energy - solar energy - thermal energy - mechanical energy A:
Answer: mechanical energy

*Question*
Q: Each gamete will have one copy of each chromosome following which process involving cell division? Choices: - osmosis - genomes - mutations - meiosis A:
**Answer**
meiosis

*Question*
Q: What is the attraction of a particular atom for the electrons of a covalent bond called? Choices: - conductivity - ionization - electromagnetism - electronegativity A:
**Answer**
electronegativity