BILD10 FINAL S07 - BILD1 Spring 2007 FINAL EXAM Kiger NAME...

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BILD1 / Spring 2007 / FINAL EXAM NAME: _________________________________ Kiger Student ID#:____________________________ BILD 1 – FINAL EXAM PRINT YOUR NAME LEGIBLY ON EVERY PAGE!! ALL STUDENTS READ THE FOLLOWING: Exams may be picked up in Room 6109 of the Natural Sciences Building on or after 6/19/07. Exams not picked up by the end of Summer Session I will be discarded. NAMES OF STUDENTS SITTING ON EITHER SIDE OF YOU : ________________________________ __________________________________ PROBLEM: POINTS: 1. Macromolecules ________ (30 total) 2. Cell Structure ________ (30 total) 3. Respiration & Photosynthesis ________ (30 total) 4. Cell Signaling & Cell Cycle ________ (30 total) 5. Genetics ________ (30 total) 6 DNA Heredity & Replication ________ (30 total) 7. Transcription & Translation ________ (30 total) 8. Viruses & Bacteria ________ (30 total) 9. Gene Regulation & DNA Technology ________ (30 total) 10. True/False ________ (30 total) Extra Credit ________ (15 possible) TOTAL ________ (300 points total)
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BILD1 / Spring 2007 / FINAL EXAM NAME: _________________________________ Kiger Page 1 PROBLEM 1. Chemistry of Life and Macromolecules (30 POINTS) 1. (5 POINTS) An element has 6 protons in its nucleus. How many electrons does it have? _____ How many bonds can this element form with itself? ______ With hydrogen? ______ What is its valence? _____ What is the name of this element? _________________ 2. (1 POINT) Scientists propose that life elsewhere in the universe might be based on the element silicon, rather than on carbon, as on Earth. What properties does silicon share with carbon that would make silicon-based life more likely than, say, neon-based life? 3. (6 POINTS) For each of the following macromolecules, list below: (a) the name for the specific bond that forms for that class of polymers, and (b) the name of the specific functional groups on the monomers involved in the bond formation. Carbohydrates Polypeptides Nucleic Acids (a) Bond? _______________ _______________ _______________ (b) Groups? _______________ _______________ _______________ 4. (3 POINTS) List three biologically important and distinct molecules that contain phosphorus. 5. (2 POINTS) (a) A solution that has pH 4 is considered acidic, neutral or basic? _________________ (b) Specifically, what property does pH measure? ________________________________________ 6. (2 POINTS) Hydrocarbons are fairly insoluble in water. Why? 7. (2 POINTS) Write the formula for a monosaccharide that has four carbons. ____________________ 8. (4 POINTS) How do saturated fats differ from unsaturated fats, both in structure and behavior? 9. (2 POINTS) Differentiate between secondary and tertiary structure of a protein by describing the parts (of amino acids) that participate in the bonds that hold together each level of structure. 10. (3 POINTS) Name the three main parts that make up a nucleotide: 1. 2. 3.
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BILD1 / Spring 2007 / FINAL EXAM NAME: _________________________________ Kiger Page 2 PROBLEM 2. Cell Structure (30 POINTS) 1. (6 POINTS) The plasma membrane is a type of phospholipid bilayer. Draw a small segment of a phospholipid bilayer to the right. Clearly label the hydrophobic and hydrophilic regions. 2. (9 POINTS) Match the letter of ONE best answer for each of the blanks below: _______ vesicular cargo exits its trans side _______ RNA synthesis occurs here _______ considered “the powerhouse” of the cell _______ bacterial structure for conjugation _______ glycolysis occurs here _______ synthesis of secreted proteins occurs here _______ acidic compartment for protein hydrolysis _______ the Light Reactions occur here in eukaryotes _______ kinetochores are attached to these polymers 3. (4 POINTS) Describe the structural and functional distinctions between the rough and smooth ER.
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