Problem: OPTIONS:
- permanent magnets
- polarized magnets
- natural magnets
- electromagnets
Q: Q: What are the strongest magnets made? A:
Answer: electromagnets

Problem:OPTIONS:
- microsporidia and bacteria
- mesozoic and bacteria
- algae and bacteria
- archaea and bacteria

Q: What two microorganisms have different membrane lipids? A:
****
A: archaea and bacteria

Q: Hemoglobin, with four polypeptide chains or subunits, is the most frequently cited example of a protein having what kind of structure? A:
OPTIONS:
- binary
- unary
- ternary
- quaternary
quaternary

Q: Because it damages hair cells, what is the most cause of hearing loss in adults? A:
OPTIONS:
- bacteria
- ear wax
- water in the ears
- exposure to noise

Answer: exposure to noise

Question: Q: What are changes in makeup and chemical properties of matter called? A:
OPTIONS:
- mineral changes
- carbonate changes
- radical changes
- chemical changes
Answer: chemical changes

input: OPTIONS:
- uptake medulla
- nutrients medulla
- external medulla
- adrenal medulla Now, answer this question: Q: The hormones epinephrine and norepinephrine are released by what? A:
A:
output:
adrenal medulla