Problem: OPTIONS:
- actin
- cyclin
- keratin
- tubulin
Q: Q: What globular protein is used in the construction of the hollow tube? A:
Answer: tubulin

Problem:OPTIONS:
- super
- unsaturated
- oily
- saturated

Q: Carbon atoms are bonded to as many hydrogen atoms as possible in what type of fatty acids? A:
****
A: saturated

Q: What are organisms that depend on other living things for food? A:
OPTIONS:
- customers
- buyers
- products
- consumers
consumers

Q: What organ systems link exchange surfaces with cells throughout the body? A:
OPTIONS:
- vascular
- pulmonary
- nervous
- circulatory

Answer: circulatory

Question: Q: In what do a roundworm's eggs pass from host to the environment? A:
OPTIONS:
- skin
- arms
- mouth
- feces
Answer: feces

input: OPTIONS:
- older
- denser
- smaller
- larger Now, answer this question: Q: Mineral crystals that form when magma cools are usually _______ than crystals that form when lava cools. A:
A:
output:
larger