Q: Hydrostatic skeletons are well suited for life in what kind of environments? A:

OPTIONS:
- pelagic
- bacterial
- surface
- aquatic

Answer: aquatic

Problem: OPTIONS:
- cytoplasm
- cell substrate
- amino acids
- cell membrane
Q: Q: What are all cells surrounded by? A:
Answer: cell membrane

Problem:OPTIONS:
- electric ring
- electric course
- fuse
- electric circuit

Q: An electric current flows in a path called what? A:
****
A: electric circuit

Q: What kind of structure do purines have? A:
OPTIONS:
- triple ring structure
- single ring structure
- helical stucture
- double ring structure
double ring structure

Q: In humans, there are five primary tastes, and each taste has only one corresponding type of what? A:
OPTIONS:
- organ
- neuron
- membrane
- receptor

Answer: receptor

input with options: Q: The desire to understand how and why things happen is shared by all branches of what? A:
OPTIONS:
- population
- society
- government
- science
output:
science