Q: What structure shows the bonding between atoms, with dots representing available electrons? A:

OPTIONS:
- Mendelian model
- Pascal model
- string theory
- lewis structure

Answer: lewis structure

Problem: OPTIONS:
- nitrogen
- wind
- carbon
- oxygen
Q: Q: What has increased in the atmosphere throughout the history of the earth? A:
Answer: oxygen

Problem:OPTIONS:
- red blood cells
- white blood cells
- neurons
- stem cells

Q: Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues? A:
****
A: stem cells

Q: What do you call the physical environment in which a species lives and to which it is adapted? A:
OPTIONS:
- domain
- environment
- ecosystem
- habitat
habitat

Q: Eukaryotic cell division involves mitosis and what? A:
OPTIONS:
- meiosis
- electrolysis
- spermatogenesis
- cytokinesis

Answer: cytokinesis

input with options: Q: What can be linked together to form disaccharides or polysaccharides? A:
OPTIONS:
- amino acids
- carbohydrates
- nitrates
- monosaccharides
output:
monosaccharides