Q: Air conditioning systems can incubate certain bacteria and what else? Choices: - Cancer - wood - root - mold A:
mold

Q: "endocrine" and "exocrine" are two types of what? Choices: - organs - fluids - cells - glands A:
glands

Q: Q: Are birds and mammals mainly exothermic or endothermic? Choices: - autotrophic - hypothermic - exothermic - endothermic A:
A: endothermic

Question: Q: Lipids are biochemical compounds such as fats and? Choices: - vegetables - salts - minerals - oils A:
Answer: oils

*Question*
Q: Scientists explain the world based on what? Choices: - changes - patterns - theories - observations A:
**Answer**
observations

*Question*
Q: Historically, certain bacteriophages have also been used as cloning vectors for making what? Choices: - specific libraries - diverse libraries - ultraviolet libraries - genomic libraries A:
**Answer**
genomic libraries