Q: What does the central cell develop into after double fertilization? A:
OPTIONS:
- endocell
- xygote
- exosperm
- endosperm
endosperm

Q: What is broken during catabolic reactions, such as the breakdown of complex carbohydrates into simple sugars? A:
OPTIONS:
- ions
- forms
- metals
- bonds

Answer: bonds

Question: Q: Single bonds allow the atoms they join to rotate freely about the what? A:
OPTIONS:
- nucleus
- electron shell
- atomic orbit
- bond axis
Answer: bond axis

input with options: Q: What is used to measure air pressure? A:
OPTIONS:
- metrometer
- indicator
- thermometer
- barometer
output: barometer

Q: Q: What is named after the type of enzyme they interact with in the cell? A:

OPTIONS:
- oxygen proteins
- function proteins
- nitrogen proteins
- receptor proteins

A: receptor proteins

Q: What do scientists use to search other planets suitable for living? A:
OPTIONS:
- optics
- lasers
- microscopes
- telescopes
telescopes