input: OPTIONS:
- simple regulators
- strange regulators
- foreign regulators
- local regulators Now, answer this question: Q: Hormones vary widely in molecular size and type as well as? A:
A:
output: local regulators

Q: What chemical reaction is the opposite of oxidation? A:

OPTIONS:
- mutation
- condensation
- evaporation
- reduction

Answer: reduction

Problem: OPTIONS:
- proton
- neutron
- atom
- electron
Q: Q: Remember electrons are negatively charged, so ions with a positive charge have lost what? A:
Answer: electron

Problem:OPTIONS:
- chromosomal cells
- Prokaryotic Cells
- both
- eukaryotic cells

Q: Which type of cell can carry out more functions, eukaryotic cells or prokaryotic cells? A:
****
A: eukaryotic cells

Q: What rod provides stiffness to counterbalance the pull of muscles? A:
OPTIONS:
- vertebrae
- spinal cord
- mesoderm
- notochord
notochord

Q: Metalloids, metals, and nonmetals are all classes of what? A:
OPTIONS:
- compounds
- protons
- matter
- elements

Answer:
elements