Q: What is the name of the muscle at the end of the esophagus? A:
OPTIONS:
- neck
- intestine
- throat
- sphincter

Answer: sphincter

Question: Q: Depending on a tumor's location, for example, cancer surgeons may be unable to remove it. radiation and chemotherapy are difficult, and it is often impossible to target only the cancer cells. the treatments inevitably destroy this? A:
OPTIONS:
- carcinogens
- fertility
- host cells
- healthy cells
Answer: healthy cells

input with options: Q: What is type of substance is formed when water vapor condenses or when ice melts? A:
OPTIONS:
- toxic water
- chemical water
- gaseous water
- liquid water
output: liquid water

Q: Q: What is the study of the energy transformations that occur in a collection of matter? A:

OPTIONS:
- fluctuations
- geophysics
- kinetics
- thermodynamics

A: thermodynamics

input: OPTIONS:
- carbohydrates
- hormones
- acids
- enzymes Now, answer this question: Q: What are the catalysts that occur naturally in living organisms and are primarily protein molecules? A:
A:
output: enzymes

Question: Q: In eukaryotic cells, what divides before the cell itself divides? A:
OPTIONS:
- electrons
- cell wall
- protons
- nucleus
Answer:
nucleus