Q: How many types of simple machines are there? Choices: - ten types - three types - two types - six types A:
six types

Q: How do they classify tornadoes? Choices: - wind density - amount of destruction - wind temperature - wind speed A:
wind speed

Q: Q: What term means the minimum energy required in order for a collision between molecules to result in a chemical reaction? Choices: - maximum energy - solar energy - depletion energy - activation energy A:
A: activation energy

Question: Q: What is the process of isolating a specific gene and then making a copy of it for use in gene therapy? Choices: - attribute cloning - gene treatment - gene copying - gene cloning A:
Answer: gene cloning

*Question*
Q: Of the four main wobble base pairs, guanine is paired with what? Choices: - thymine - cytosine - adenine - uracil A:
**Answer**
uracil

(Question)
Q: Like a thick cap covering the brain, the dura mater is a tough outer covering. the name comes from the latin for? Choices: - back mother - protecting mother - difficult mother - tough mother A:
(Answer)
tough mother