Cellular Physiology

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  • Created by: Dynamo123
  • Created on: 07-05-14 14:43

1. Regarding cytoskeleton

  • Are absent in muscle cells
  • Microfilaments are polymers of tubulin
  • Microtubules provide a rigid physical structure to cell
  • Source of origin of ER
  • Mitotic spindles are made up of microfilaments
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2. Endoplasmic Reticulum

  • Provides major share of metabolic machinery
  • Contains gel like matrix
  • Is abundant in muscle cells
  • Contains enzymes for cellular resp.
  • Synthesizes ribosomes

3. Regarding Endocytosis

  • Phagosomes contain live bacteria
  • It is an excretory process
  • Phagocytosis involves ingestion of small molecules
  • Only certain cells have ability to perform phagocytosis
  • Pinocytosis does not require energy

4. How many mitotic divisons are required for a single cell to make 128 cells

  • 28
  • 14
  • 32
  • 7
  • 40

5. Regarding Nucleus

  • Size of nuclear pore can be as large as 50 nm
  • Nucleolus is surrounded by membrane
  • Initiates Ribosome synthesis
  • Shows well defined chromosomes during interphase
  • Replenishes lost cell membrane

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