Q: What type of gas is a harmless gas that living things add to the atmosphere during respiration? A:
OPTIONS:
- helium
- oxygen
- Hydrogen
- carbon dioxide

Answer: carbon dioxide

Question: Q: What is the term for daily cycles of behavior, like the sleep-wake cycle? A:
OPTIONS:
- daily rhythms
- variable rhythms
- behavioral rhythms
- circadian rhythms
Answer: circadian rhythms

input with options: Q: Cations have what type of charge? A:
OPTIONS:
- negative
- neutral
- constant
- positive
output: positive

Q: Q: What is necessary for growth and energy? A:

OPTIONS:
- breeding
- warmth
- determination
- nutrients

A: nutrients

input: OPTIONS:
- epidermis
- cortex
- apoptosis
- nucleus Now, answer this question: Q: What is the largest organelle in a eukaryotic cell? A:
A:
output: nucleus

Question: Q: In which organ are bile acids made A:
OPTIONS:
- spleen
- kidney
- gall bladder
- liver
Answer:
liver