input: OPTIONS:
- primary nervous system
- active nervous system
- large nervous system
- central nervous system Now, answer this question: Q: The brain and spinal cord are part of what system, which serves as a control center? A:
A:
output: central nervous system

Q: What molecule is used for most energy functions in organisms? A:

OPTIONS:
- DNA or deoxyribonucleic acid
- RNA or ribonucleic acid
- ADP or Adenosine Diphosphate
- atp or adenozine triphosphate

Answer: atp or adenozine triphosphate

Problem: OPTIONS:
- carbon dioxide
- straight dioxide
- coal
- lead dioxide
Q: Q: The anodes in each cell of a rechargeable battery are plates or grids of lead containing spongy lead metal, while the cathodes are similar grids containing powdered what? A:
Answer: lead dioxide

Problem:OPTIONS:
- prokaryotic cells have a nucleus
- eukaryotic cells have a flagella
- eukaryotic cells have a cell wall
- eukaryotic cells have a nucleus

Q: What is the main difference between eukaryotic and prokaryotic cells? A:
****
A: eukaryotic cells have a nucleus

Q: In qualitative analysis, reagents are added to an unknown chemical mixture in order to induce what? A:
OPTIONS:
- motion
- sunlight
- erosion
- precipitation
precipitation

Q: In the mammal family, what is the name for hoofed animals, such as deer, sheep, goats, pigs, buffalo, elephants and giraffes? A:
OPTIONS:
- primates
- bovines
- rodents
- ungulates

Answer:
ungulates