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5 Written questions

5 Matching questions

  1. dependent variable
  2. catalyst
  3. radioactive
  4. Endoplasmic Reticulum
  5. compound
  1. a Organelle that transports proteins through the cell
  2. b Chemical combination of two or more elements in definite proportions.
  3. c Variable that is observed and that changes in response to independent variable.
  4. d a substance that speeds up the rate of a chemical reaction.
  5. e An isotope whose nuclei are unstable and break down at a constant rate over time.

5 Multiple choice questions

  1. The polysaccharide that humans store in the muscles
  2. Type of bond between water molecules
  3. cytoplasm, cell wall, cell membrane, DNA, ribosomes
  4. Type of polysaccharide that is found in the cell wall of plants.
  5. What compounds have a pH of below 7?

5 True/False questions

  1. 15Proton = 8, Neutrons = 7, Electrons = 8. What is the atomic mass?


  2. homeostasisStable internal environment even when external conditions change dramatically


  3. atomCompound that forms H+ ions in solution


  4. vacuoleOrganelle that stores materials like water, salts, proteins, and carbohydrates.


  5. hypothesissolution When water moves into the cell (from high to low)