Q: Q: Aldehydes, ketones, carboxylic acids, esters, and ethers all have functional groups containing what element? A: | OPTIONS:
- silicon
- methane
- carbon
- oxygen
A: oxygen

Q: Q: What is common in two eukaryotic proteins? A: | OPTIONS:
- DNA
- cells
- translation
- one domain
A: one domain

Q: Q: What process creates sperm? A: | OPTIONS:
- genesis
- altostratus
- hypothalamus
- spermatogensis
A: spermatogensis

Q: Q: What have approximately the same mass as protons but no charge? A: | OPTIONS:
- atoms
- reactions
- electrons
- neutrons
A: neutrons