Q: What term means the percent by mass of each element in a compound? A:
OPTIONS:
- molecular composition
- calculated composition
- mass composition
- percent composition
percent composition

Q: Which stage has already been completed by the time sea urchin eggs are released from the female? A:
OPTIONS:
- fetus
- secondary
- mitoses
- meiosis

Answer: meiosis

Question: Q: What occurs when an unstable nucleus emits a beta particle and energy? A:
OPTIONS:
- nucleus decay
- alpha decay
- methane decay
- beta decay
Answer: beta decay

input with options: Q: What is a small, spherical compartment separated by at least one lipid layer from the cytosol? A:
OPTIONS:
- capillary
- cuticle
- cortex
- vesicle
output: vesicle

Q: Q: What term did schrodinger use for regions around the nucleus where electrons are most likely to be? A:

OPTIONS:
- arrays
- isotopes
- ellipses
- orbitals

A: orbitals

Q: What system protects the soft organs of the body? A:
OPTIONS:
- nervous system
- digestive system
- Cardiovascular system
- skeletal system
skeletal system