Question: Answer the following question given this paragraph: precision: A measure of how close a series of measurements are to one another. Precise measurements are highly reproducible, even if the measurements are not near the correct value. Q: A measure of how close a series of measurements are to one another is what? A:
OPTIONS:
- calculation
- density
- reflection
- precision
Answer: precision

Question: Answer the following question given this paragraph: Bacteria are surrounded by a cell wall consisting of peptidoglycan . This complex molecule consists of sugars and amino acids. The cell wall is important for protecting bacteria. The cell wall is so important that some antibiotics, such as penicillin, kill bacteria by preventing the cell wall from forming. Q: What are surrounded by a cell wall consisting of peptidoglycan? A:
OPTIONS:
- viruses
- protozoa
- amoeba
- bacteria
Answer: bacteria

Question: Answer the following question given this paragraph: Molecules need to collide in order for a reaction to take place. Q: What do molecules need to do for a reaction to take place? A:
OPTIONS:
- explode
- melt
- separate
- collide
Answer:
collide