Problem: OPTIONS:
- choanocyte acid
- solmization acid
- hydrolic acid
- lipoteichoic acid
Q: Q: Gram-negative bacteria have a cell wall made of peptidoglycan, whereas gram-positive bacteria have a cell wall made of what? A:
Answer: lipoteichoic acid

Problem:OPTIONS:
- reproduction
- function
- instance
- behavior

Q: Researchers have also used insect courtship to explore genetic variation underlying differences in what? A:
****
A: behavior

Q: What is required to partially overcome the attractive forces between molecules in a solid to form a liquid? A:
OPTIONS:
- fuel
- hydrogen
- oxygen
- energy
energy

Q: Plaque is surgically removed from the walls of a vessel in which surgery? A:
OPTIONS:
- discectomy
- lumpectomy
- arthroscopy
- endarterectomy

Answer: endarterectomy

Question: Q: What is it that surrounds cells and serve to keep the insides separated from the outsides? A:
OPTIONS:
- inner membranes
- abundant membranes
- similar membranes
- biological membranes
Answer: biological membranes

input: OPTIONS:
- sharks
- Whales
- reefs
- dolphins Now, answer this question: Q: What common sea creature can be both awake and asleep at the same time? A:
A:
output:
dolphins