Q: Q: What substance, involved in most biochemical reactions, is essential to life? A:

OPTIONS:
- carbon
- nitrogen
- air
- water

A: water

input: OPTIONS:
- proteins
- hormones
- vitamins
- enzymes Now, answer this question: Q: What substances are involved in most of the chemical reactions that take place in organisms, including digestion? A:
A:
output: enzymes

Q: Connective tissues typically have three characteristic components in common: cells, large amounts of amorphous ground substance, and what else? A:

OPTIONS:
- antioxidants
- hormones
- white blood cells
- protein fibers

Answer: protein fibers

Problem: OPTIONS:
- parietal lobe
- temporal lobe
- frontal lobe
- cerebellum
Q: Q: What part of the brain is attached to the brain stem but considered a separate region of the adult brain? A:
Answer: cerebellum

Problem:OPTIONS:
- forest fires
- hurricanes
- earthquakes
- volcanoes

Q: Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb? A:
****
A: volcanoes

Problem:OPTIONS:
- thermal tissue
- muscle tissue
- cardiac tissue
- vascular tissue

Q: What type of tissue runs the length of a stem in vascular bundles? A:
****
A:
vascular tissue