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Practice quiz 002: The Cell continued

Quiz 002

The Cell

1.)   Which ion is primarily responsible for establishing the resting membrane potential?

  1. Na+ (sodium)
  2. Cl- (chloride)
  3. K+ (potassium)
  4. Ca2+ (calcium)

2.)  During which stage of protein synthesis is the mRNA strand created?

  1. Transcription
  2. Translation

3.)  Proteins that are destined to be exported from the cell are produced by______

  1. Membrane bound ribosomes (on the rough ER)
  2. Free floating cytoplasmic ribosomes

4.)  Peroxisomes are produced by which organelle?

  1. Nucleus
  2. Endoplasmic Reticulum

5.)  Lysosomes are produced by which organelle?

  1. Golgi apparatus
  2. Centrioles

6.)  Which cytoskeletal component has the largest diameter

  1. Microfilaments
  2. Microtubules

7.)  Which transport process maintains the steep ionic concentration gradients of Na+ and K+?

  1. Diffusion
  2. Osmosis
  3. Active Transport

8.)  Which is fluid compartment is more negative in charge?

  1. The Intracellular fluid
  2. The extracellular fluid
  3. Both fluid compartments have an equal charge

9.)  Which cell would you expect to have the most highly developed smooth endoplasmic reticulum?

  1. A cell involved in lipid metabolism
  2. A cell involved in protein export
  3. A cell involved in blood filtration

10.)                 Which of the following cells would you expect to have the highest number of lysosomes?

  1. A cell that is heavily involved in phagocytosis
  2. A cell involved in protein export

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