input with options: Q: Tropomyosin is a type of what, that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin? A:
OPTIONS:
- enzyme
- bacteria
- amine
- protein
output: protein

Q: Q: What are plants that grow where people don't want them to and can take up space and use resources which hinders growth of more desirable plants? A:

OPTIONS:
- native plants
- shrubs
- grasses
- weeds

A: weeds

input: OPTIONS:
- potassium
- gelatin
- cellulose
- pectin Now, answer this question: Q: What carbohydrate from fruit juices is a gel-forming substance important in jelly making? A:
A:
output: pectin

Q: What is capable of altering the rate of time passing? A:

OPTIONS:
- strong planetary fields
- weak gravitational fields
- strong magnetic fields
- strong gravitational fields

Answer: strong gravitational fields

Problem: OPTIONS:
- energy
- bonds
- force
- mass
Q: Q: What is always conserved in chemical reactions? A:
Answer: mass

Q: What keeps various species from mating and reproducing outside their own species? A:

OPTIONS:
- digestive system incompatibility
- brain organ incompatibility
- cancer organ incompatibility
- reproductive organ incompatibility

Answer:
reproductive organ incompatibility