Q: What rigid external structure protects shellfish and other animals and provides points of attachment for the muscles that move the appendages? A:
OPTIONS:
- claw
- cocoon
- membrane
- exoskeleton
exoskeleton

Q: What does the cell cycle do? A:
OPTIONS:
- only divide cells
- create new cells
- only reproduce cells
- divide and reproduce cells

Answer: divide and reproduce cells

Question: Q: What is the charge on a single electron known as? A:
OPTIONS:
- basic charge
- electron charge
- fundamental charge
- elementary charge
Answer: elementary charge

input with options: Q: What is caused by the same virus that causes chicken pox? A:
OPTIONS:
- blisters
- mumps
- boils
- shingles
output: shingles

Q: Q: Metabolism is controlled by regulation of what? A:

OPTIONS:
- sequence activity
- nucleus activity
- cell activity
- enzyme activity

A: enzyme activity

Q: What happens to old oceanic crust at convergent boundaries? A:
OPTIONS:
- created
- dissolves
- emerges
- destroyed
destroyed