COMPREHENSIVE SCIENCES PROGRAM
LIFE SCIENCES
EXAMINATION __

1.   Structure and Physiology
2.   Genetics                         
 

 NAME: _____________________________________  I.D.# _________________  LAB TIME: ________________

Each Question is worth FOUR points

Directions:  1.  Write with a blue or a black ball point or ink pen.
                  2.  Carefully read and follow all of the directions that are given on the exam paper.  Failure to do so
                       may result in loss of point credit.

Part I.  Unit III: Structure and Physiology information

1.     List two animal organ systems and cite the functions for each:

 

2.     Name a specific/correct level or organization term for each of the following sequences:

        a.  You, an oak tree, a protozoan, a bacterium:  ____________________________

        b.  amino acids, saccharides, nucleotides:  _____________________

        c.  nitrogen, carbon, oxygen, hydrogen:  _____________________

        d.  stem, intestine, leaf, brain:  _________________________

3.     a.   Name a plant tissue and cite its function:

        b.   Name an animal tissue and cite its function:

4.     Name four organelles that would definitely be found in all types of living cells

        a.  _______________________________     b.  ____________________________________

        c.  _______________________________     d.  ____________________________________

7.     Cite one distinction between

        a.   organic and inorganic substances:

        b.   living and non-living matter:

8.     Complete the chart of information about the macromolecules below

        Name of the macromolecule            Sub-units of the macromolecule?

        a.   Lipids                                        __________________________________

        b.   Proteins                                     __________________________________

        c.   Carbohydrates                           __________________________________

        d.   Nucleic Acids                            __________________________________

 

9.     Complete the chart of information about the macromolecules below

        Name of the macromolecule                                   Function of the macromolecule

        a.   __________________________________    as enzymes, hormones, pigments

        b.   __________________________________    immediate source of chemical energy

        c.   __________________________________    directs protein synthesis

        d.   __________________________________    comprise parts of membranes, reserve source of chemical energy

10.   The following test results were obtained for an unknown solution.

                                                           negative Sudan Black
                                                           negative Benedict's solution
                                                           negative Lugol's solution
                                                           positive   Biuret solution
                                                           pH value 4

        Based on the information that is determined from these test results, what type of molecules were present in the
        unknown solution:

 

11.   Identify the following molecules

     
a.  ___________________________   b.  ___________________________

12.   Name four major bioelements:

 

13.   Are macromolecules "living"?  Why/Why not?

 

14.   How does ionic bonding differ from covalent bonding:

 

15.   How does an atom differ from a quark?

 

16.   a.   Name a scientist that worked on the development of information on the atom:

        b.   How does atomic weight differ from atomic number?

 

Part II.  Unit IV: Genetics information

17.   Discuss four points of information about a pair of chromosomes:
        (i.e., parts, number, definition, etc.)

 

18.   Name

        a.   a plant physical trait:

        b.   an animal physiological trait:

        c.   a human sex-linked trait:

        d.   an immunological trait:

 

19.   Indicate if the following are representative of Mitosis, Meiosis, Both mitosis and meiosis, or Neither mitosis or meiosis.

        a.   Begins with a 2N cell:  ______________

        b.   Occurs in reproductive cells/gametes in plants and animals:  ______________

        c.   Results in four N cells:  _____________________

        d:   Requires a doubling of the amount of DNA:  ____________

20.   In a herd of Bison, the following genotypes were noted:

                        B-blue hair dominant
                        b-white hair recessive
                        L-long tail dominant
                        l-short tail   recessive
                        H-large horns  dominant
                        h-small horns   recessive

        a.   Describe the phenotype of a Bison with this genotype bBllHh

        b.   In a population of 1,000 Bison, with P1 = BBLLHH x bbllhh, how many Bison progeny
              in a test cross at F2 would be BbLlHh?

 

21.   Briefly explain how the DNA molecule controls the following:

        a.   the Genetic Code:

        b.   the Triplett Code:

22.   Name two pieces of information that may be found in the genome of a fungus:

 

23.   Write the karyotypes for the human male and the human female:

 

24.   Name the common components of a nucleotide:

 

25.   Name four characteristics that comprise your phenotype:

 

26.   Essentially what happens during the transcription and the translation phases of protein synthesis?  (Be brief)

 

Bonus Questions - Worth two points each

1.     What is phyllotaxy?

2.     List a type of plant leaf venation pattern.

3.     Which cell organelle did Richard Altmann detect?

4.     Name an element that is found in proteins but not in carbohydrates.

5.     Are the macromolecules found in all forms of life?  (Yes or No)

6.     What specimens were the sources of living plant cells in the laboratory on the microscope and cell studies?

7.     Can spem, ova, or pollen cells undergo mitosis or meiosis? (Yes or No)

8.     Briefly cite one of Mendel's Laws of Genetics/Inheritance.

9.     What is recombinant DNA?