Problem: OPTIONS:
- ancient ribosome
- ancient phosphorylation
- ancient matrix
- ancient prokaryotic
Q: Q: Mitochondria are thought to have evolved from what kind of cells? A:
Answer: ancient prokaryotic

Problem:OPTIONS:
- phenotypes
- genes
- ribosomes
- chromosomes

Q: Embryos usually don't survive if they have extra or too few of these genetic units? A:
****
A: chromosomes

Q: What occurs as a result of the discharge of static electricity? A:
OPTIONS:
- thunder
- clouds
- drought
- lightning
lightning

Q: Some reactions need extra help to occur quickly. they need another substance called what? A:
OPTIONS:
- neurotransmitter
- protein
- hormone
- a catalyst

Answer: a catalyst

Question: Q: What to tadpoles develop into? A:
OPTIONS:
- toads
- mosquitos
- snakes
- frogs
Answer: frogs

input: OPTIONS:
- amplitude
- curved
- inverse
- transverse Now, answer this question: Q: What kind of waves are electromagnetic waves? A:
A:
output:
transverse