lab 3 and 2

  1. Explain the functions of the cell membrane.

 

  1. Name and give the functions of the membranous organelles of the cell.

 

  1. Name and give the functions of the non-membranous organelles of the cell.

 

  1. What is the function of the centrosome, and by what other name is it known?

 

  1. What are molecular motors, and what is their function in the cell?

 

  1. Explain the structure and function of the microvilli.

 

  1. Explain the structure and function of cilia and flagella. What is the only type of human cell that has a flagellum?

 

  1. Describe the structure and function of the nucleus. Include the structure and function of the nucleolus.
  1. Explain the different functions performed by RNA in the cell.

 

  1. Name and describe the structural levels of protein.

 

  1. Compare and contrast the structures of DNA and RNA.

 

 

 

  1. If one side of a DNA molecule is A-T-C-G-G-T-C-A-G, what would the bases be on the other side of the molecule? On what do you base your answer?

 

  1. Chaperones are present in every body cell. Discuss the importance of these groups of proteins.

 

 

 

  1. Describe the Bohr model of the atom.

 

  1. Name and briefly describe the types of chemical bonds discussed in this chapter.

 

  1. Explain what is meant by anabolism and catabolism, and name a process that is an example of each.

 

  1. Releases a hydrogen ion into a solution, which lowers the pH a) Acid        b)Base

 

  1. Releases a hydroxide ion into solution, which raises the pH  a) Acid        b)Base

 

  1. Turns red litmus paper blue     a) Acid        b)Base

 

  1. Turns blue litmus paper red    a) Acid        b)Base

 

  1. Gastric fluid, approximately a 1.5 on the pH scale    a) Acid        b)Base

 

  1. Household ammonia, an 11 on the pH scale  a) Acid     b) Base

 

  1. Tastes sour     a) Acid    b) Base

 

  1. Tastes bitter a) Aci   b)Base

 


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