Q: What occur when elements switch places in compounds? Choices: - chemical interaction - chain reaction - chemical reaction - replacement reactions A:
replacement reactions

Q: How much exercise should a person ideally get during a single day? Choices: - six hours - three hours - fifteen minutes - hour A:
hour

Q: Q: How many different ways can molecules pass through a phospholipid membrane? Choices: - six - five - four - three A:
A: three

Question: Q: Illnesses caused by bacteria in food are commonly known as what? Choices: - chemical poisoning - the flu - viral poisoning - food poisoning A:
Answer: food poisoning

*Question*
Q: The central vacuole maintains turgor pressure against what? Choices: - the cell move - the cell multiplication - the cell addition - the cell wall A:
**Answer**
the cell wall

Q: Q: What type of seed-bearing structure of a flowering plant usually develop into? Choices: - Stem - food - Apple - fruit A:
A: fruit