Q: The smallest units of matter that retain the unique properties of an element are known as what? A:

OPTIONS:
- protons
- molecules
- neutrons
- atoms

Answer: atoms

Problem: OPTIONS:
- plasma
- mucus
- stereocilia
- sperm
Q: Q: What is defined as male gametes that form in the testes and mature in the epididymis? A:
Answer: sperm

Problem:OPTIONS:
- neutrons
- nodes
- platelets
- chromosomes

Q: What is the term for coiled structures made of dna and proteins? A:
****
A: chromosomes

Q: Although they are as different as deserts and wetlands, all of these ecosystem units have populations of interacting species? A:
OPTIONS:
- corals
- continents
- zoos
- biomes
biomes

Q: What is crucial for the fermentation progress in making bread? A:
OPTIONS:
- larvae
- fruit
- cold
- yeast

Answer: yeast

input with options: Q: What is required for a decay chain to end? A:
OPTIONS:
- stable half-life
- unstable end-product
- radioactive cascade
- stable end-product
output:
stable end-product