Q: How do heavy alkanes affect the skin? A:

OPTIONS:
- they do not affect the skin
- damage the skin
- color the skin
- form a protective layer

Answer: form a protective layer

Problem: OPTIONS:
- oxygen
- mercury
- neon
- phosphorus
Q: Q: When what element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air? A:
Answer: phosphorus

Problem:OPTIONS:
- carbon dioxide
- monoxide
- hydrogen
- acetylcholine

Q: Untreated botulism is typically fatal because muscles required for breathing fail to contract when the release of what chemical is blocked? A:
****
A: acetylcholine

Q: What is the name of the muscle that contracts to cause the joint to straighten? A:
OPTIONS:
- flexor
- abductor
- opposing
- extensor
extensor

Q: What french chemist discovered the radioactive elements polonium and radium? A:
OPTIONS:
- margaret curie
- louis pasteur
- pascal curie
- marie curie

Answer: marie curie

input with options: Q: Each species has a characteristic number of what coiled structures made of dna and proteins? A:
OPTIONS:
- genes
- ribosomes
- prokaryotes
- chromosomes
output:
chromosomes