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Quarterly Assessment Review MP1

Quarterly Assessment Review MP1. Question 1 - 10. You should always be aware of and follow these in a lab. Answer 1 – 10. What are lab safety rules?. Question 1 - 20.

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Quarterly Assessment Review MP1

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  1. Quarterly Assessment Review MP1

  2. Question 1 - 10 • You should always be aware of and follow these in a lab.

  3. Answer 1 – 10 • What are lab safety rules?

  4. Question 1 - 20 • A hypothesis is a proposed scientific explanation based on prior knowledge. A well tested explanation that unifies a broad range of observations is this.

  5. Answer 1 – 20 • What is a theory?

  6. Question 1 - 30 • Scientists are always observing a doing this. It is the first step of the scientific method.

  7. Answer 1 – 30 • What is asking questions?

  8. Question 1 - 40 • This type of variable refers to what is observed or measured in an experiment. It changes in response to the manipulated variable.

  9. Answer 1 – 40 • What is the responding variable?

  10. Question 1 - 50 • In an experiment, this is the variable that you purposefully change. In our rabbit example, it would be the rabbit who was given the ice pack.

  11. Answer 1 – 50 • What is the manipulated variable?

  12. Question 2 - 10 • This is the common measurement system used by scientists. It is based on a scale that moves by multiples of 10.

  13. Answer 2 – 10 • What is the metric system?

  14. Question 2 - 20 • This is the metric unit of measurement for mass. We use a triple beam balance to measure these.

  15. Answer 2 – 20 • What is a gram?

  16. Question 2 - 30 • 71.0 kiloliters is equal to this many decaliters?

  17. Answer 2 – 30 • What is 7,100 decaliters?

  18. Question 2 - 40 • This unit of the metric system is used to measure the size of very small objects, such as the length of a cell. It is 1/1000 of a milimeter.

  19. Answer 2 – 40 • What is a mircrometer (nm)?

  20. Question 2 - 50 • These are the seven prefixes of the metric system. They are represented by KHDUDCM.

  21. Answer 2 – 50 • What are kilo-, hecto-, deca-, base unit, deci-, centi-, mili-?

  22. Question 3 - 10 • All atoms will have the same number of these two subatomic particles. Their positive and negative charges cancel each other out, making the atom neutral.

  23. Answer 3 – 10 • What are protons and electrons?

  24. Question 3 - 20 • These produces a higher number of H+ ions when in a solution. They range from 1-6 on the pH scale.

  25. Answer 3 – 20 • What is an acid?

  26. Question 3 - 30 • This is the attraction between a H atom and an electronegative atom, such as O. It is the bond that holds water molecules together.

  27. Answer 3 – 30 • What are hydrogen bonds?

  28. Question 3 - 40 • Weak acids and bases are found towards the middle of the pH scale, closest to this number. It is the pH of pure water.

  29. Answer 3 – 40 • What is 7?

  30. Question 3 - 50 • Our bodies need to maintain a specific range of pH all over, except here, which is much more acidic.

  31. Answer 3 – 50 • What is the stomach?

  32. Question 4 - 10 • Enzymes speed up chemical reactions, making them biological ones of these.

  33. Answer 4 – 10 • What are catalysts?

  34. Question 4 - 20 • This macromolecule is made up of a glycerol molecule and three fatty acids chains. It helps make up part of the cell membrane.

  35. Answer 4 – 20 • What are lipids?

  36. Question 4 - 30 • These macromolecules give us our main source of energy, even if it is only for a short period of time.

  37. Answer 4 – 30 • What are carbohydrates?

  38. Question 4 - 40 • Enzyme function can be effected by drastic changes in these two internal conditions.

  39. Answer 4 – 40 • What are temperature and pH?

  40. Question 4 - 50 • An amino acid structure contains an amino group, a carboxyl group and this, which is different for each amino acid.

  41. Answer 4 – 50 • What is the R-group sidechain?

  42. Question 5 - 10 • These are the two inventors of the microscope. Without them, we would have never discovered the cell.

  43. Answer 5 – 10 • Who are Robert Hooke and Anton van Leeuwenhoek?

  44. Question 5 - 20 • This type of microscope uses a very fine probe to view the surface of a specimen. You can see live organisms with it.

  45. Answer 5 – 20 • What is a scanning probe microscope?

  46. Question 5 - 30 • In plant cells, this is the outermost layer, which provides structure, support and protection.

  47. Answer 5 – 30 • What is the cell wall?

  48. Question 5 - 40 • These are three structures of the cell responsible for making and sending proteins where they need to go.

  49. Answer 5 – 40 • What are the ribosomes, endoplasmic reticulum and golgi apparatus?

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