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94' 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:




Part A: Multiple Choices(con't)

Page 1       Page 2         Page 3       Page 4       Page 5        Page 6

31.        In the following list, how many are anabolic processes?

           digestion, respiration, photosynthesis, protein synthesis


            a.         0

            b.         1

            c.         *correct*2

            d.         3

            e.         4


32.        With respect to ATP, the term `high energy bond' refers to


            a.         only one of the bonds present in the molecule.

            b.         three of the bonds present in the molecule.

            c.         the bond energies of two of the bonds present in the molecule. 

            d.         *correct*the amount of free energy available when the bond is broken.

            e.         the ribose sugar part of the molecule.


33.             Proteins are to ribosomes as ATP is to the


            a.         chromosomes.

            b.         centrioles.

            c.         Golgi apparatus.

            d.         *correct*mitochondria.

            e.         nucleus.


34.        The first step in the activation of glucose for respiration is the


            a.         addition of a hydrogen ion.

            b.         removal of a molecule of water.

            c.         *correct*addition of a phosphate group.

            d.         removal of an atom of oxygen.

            e.         addition of an atom of oxygen.



35.        During cellular respiration, the final product that contains most of the hydrogen electrons passing through the electron transport chain is


            a.         *correct*water.

            b.         oxygen.

            c.         ATP.

            d.         chlorophyll.

            e.         cytochrome oxidase.


36.        In the mitochondria, the function of cytochrome molecules is to


            a.         extract water from ATP molecules.

            b.         extract energy from ATP.

            c.         *correct*transfer electrons to atoms of oxygen.

            d.         convert oxaloacetic acid to citric acid.

            e.         dissolve NADH and H+.


37.        The advantage of aerobic respiration to an animal is that it


            a.         *correct*obtains more usable energy by aerobic respiration.

            b.         must always use aerobic respiration for  movement.

            c.         must always use anaerobic respiration for movement.

            d.         cannot release energy from food by anaerobic respiration.

            e.         cannot obtain more usable energy from food by aerobic  respiration.


38.        At the completion of glycolysis, the bulk of the energy from glucose undergoing aerobic respiration is found in molecules of


            a.           ATP.

            b.           lactic acid.

            c.           reduced NAD.

            d.           phosphoglyceraldehyde (PGAL).

            e.         *correct*  pyruvic acid.


39.        When glucose burns in air, it releases heat rapidly. In the cellular respiration of glucose


            a.         water prevents uncontrolled combustion.

            b.         *correct*enzymes make the reaction take place in small steps.

            c.         no heat is released.

            d.         no oxygen is required.

            e.         all of the energy is converted into ATP.


40.        A specific example of a typical nucleotide may be made up of


            a.         *correct*  phosphate, sugar, and thymine.

            b.           sugar and phosphate.

            c.           thymine and adenine.

            d.           two phosphate groups, sugar, and thymine.

            e.           thymine, adenine, sugar, and phosphoric acid.

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