Cellular Physiology

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

1. Regarding Composition of Cell membrane, which is true?

  • Peripheral proteins act as ion channnels
  • Integral proteins act mainly as enzymes
  • Cholesterol has high proportion among cell membrane lipids
  • Cholesterol controls much of fluidity
  • It is rich in carbohydrates
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2. What is not a function of glycocalyx

  • Provides energy to cell
  • Involved in immune reaction
  • Provides an overall surface negative charge
  • Many of its carbohydrates act as receptors for specific hormones
  • Provides cell cell adhesion

3. Identify the nom-membranous organelle from following

  • Nucleus
  • Ribosome
  • Mitochondria
  • ER
  • Golgi Apparatus

4. Peroxisomes

  • Are involved in oxidative phosphorylation
  • Synthesize H2O2
  • Are involved in breakdown of food particles
  • Are synthesized by golgi apparatus
  • Are membrane bound organelles

5. The main function of centrosome is

  • Formation of mitotic spindle
  • Cell death
  • Secretion
  • Protein synthesis
  • Chemotaxis

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