Q: Controlling muscles and maintaining balance are just two of the roles of what system? A:

OPTIONS:
- electrical system
- digestive system
- bacterial system
- nervous system

Answer: nervous system

Problem: OPTIONS:
- polyamines
- auxins
- mitochondria
- cytokinins
Q: Q: What promotes cell division and are necessary for growing plants in tissue culture? A:
Answer: cytokinins

Problem:OPTIONS:
- exercise and training
- drugs and food
- water and clothing
- rest and recovery

Q: Injuries can be prevented by getting proper what? A:
****
A: rest and recovery

Q: Light is scattered from what in our atmosphere? A:
OPTIONS:
- matter
- particles
- ions
- molecules
molecules

Q: What membrane is populated by two types of photosystems that cooperate in the light reactions of photosynthesis? A:
OPTIONS:
- choroid
- chloroplasts
- subcutaneous
- thylakoid

Answer: thylakoid

input with options: Q: What do metals typically lose to achieve stability? A:
OPTIONS:
- ions
- atoms
- molecules
- electrons
output:
electrons