Q: What is the process by which organisms break down chemicals to make food energy? A:

OPTIONS:
- excretion
- gametogenesis
- electrolysis
- chemosynthesis

Answer: chemosynthesis

Q: What substances serve as catalysts in most of the biochemical reactions that take place in organisms? A:

OPTIONS:
- hormones
- carbohydrates
- iseotrops
- enzymes

Answer: enzymes

Q: How many different ways can molecules pass through a phospholipid membrane? A:

OPTIONS:
- six
- five
- four
- three

Answer: three

Q: Which chromosome is associated with cri du chat syndrome? A:

OPTIONS:
- collagen 5
- genome 5
- spore 5
- chromosome 5

Answer:
chromosome 5