input with options: Q: How many directions can ions flow along the axon? A:
OPTIONS:
- two
- six
- three
- one
output: one

Q: Q: Amino acids are joined together to form a chain at what molecular structure? A:

OPTIONS:
- chloroplasts
- chromosomes
- DNA
- ribosomes

A: ribosomes

input: OPTIONS:
- brain stem
- amygdala
- orbital lobe
- spinal cord Now, answer this question: Q: The brain is said to contain gray matter, while what related structure contains white matter separated into columns? A:
A:
output: spinal cord

Q: What is the dominant form of plant life in most terrestrial ecosystems, comprising about 90 percent of all plant species? A:

OPTIONS:
- pteridophytes
- gymnosperms
- bryophytes
- angiosperms

Answer: angiosperms

Problem: OPTIONS:
- volume
- role
- role
- state
Q: Q: Melting ice cubes and freezing water are examples of change of what? A:
Answer: state

Q: What is the term for the force of attraction between things that have a mass? A:

OPTIONS:
- weight
- motion
- magnetism
- gravity

Answer:
gravity