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93' SBIOA Exam


93 Exam 
Part A: M/C
Part B: Short Answers
Part C: Essay Question

94 Exam 
Part A: M/C
Part B: Essay Questions

95 Exam 
Part A: M/C
Part B:
Part C:
Part D:

97 Exam 
Part A: M/C
Part B:
Part C:
Part D:






Be quick.  These are only worth 3 marks each.   Point form is okay for this section - but I will not infer information.  Answer of the fullscap paper.  Leave about 1/3 of a page if you need to skip a question.  Number each question. B1, B2, B3 etc.



1 .     How does physics (thermodynamics actually) apply to the study of ecology?


2 .    What four things determine population growth rates?


3 .    What are the three sociological revolutions which co-incided with a large increase in the human population?


4 .    Explain "sustainable" growth.


5 .    Name the different classes of amino acids.  Which would be found in the hydrophobic region of the cell membrane.


6 .    Briefly describe the chemi-osmotic hypothesis.  Also state to which organelles this idea applies.


7 .    List 5 reduction reactions.


8 .    Respiration of glucose is written as:

       C6H12O6 + O2 _ CO2 + H2O.


       a .    where in the cell does the glucose first undergo reactions?

       b .    where in the cell is the O2 created?

       c .     where in the cell do the CO2's form?



9 .     In comparing cellular respiration to photosynthesis: [2 each]

       a .    the ETC equivalent is the:

       b .    Krebs cycles equivalent is the:

       c .     NADH is similar to:



10 .   For the reaction CH3CH2OH + NH3 _ CH3CH2NH2 + H2O, explain in words how you would find the net energy liberated or required for the reaction. 


11 .  Describe the "wobble-base" phenomenom.  What does it have to do with the RNA codon chart?


  <-Part A   ---  Part B ---   Part C->