MCDB_1A_Final_Exam_2008

MCDB_1A_Final_Exam_2008 - Name TA MCDB 1A FINAL EXAMINATION...

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Name______________________ TA________________________ MCDB 1A FINAL EXAMINATION DECEMBER 13, 2008 Scantron instructions: 1. Use a #2 pencil to complete the form. 2. Write your name and fill in the appropriate bubbles. 3. Write your perm. number in the ID number box and fill in the bubbles . 4. Write the color of your test in the space underneath the I.D. number box. 5. Fill in the entire rectangle of the best answer. Part I. Cell Biology: Dr. Wilson Questions 1-18 (3 pts each) 54 points Part II. Biochemistry: Dr. Feinstein Questions 19-35 (3 pts each) 51 points Part III. Genetics: Dr. Christoffersen Questions 36-85 (3 pts each) 150 points Test Color 1 point 256 points _____________________________________________ Part I. Cell Biology Dr. Wilson Questions 1-18 ( 3 points each), 54 points total Choose the one answer that best completes the statement or answers the question. 1. Motility of the eukaryotic flagellum A. involves rotation of a rotary motor that extends from the cytoplasm through the inner and outer membrane B. is mediated by microtubule motors called myosins C. Involves whip-like bending of the flagellar shaft due to sliding of pairs of stable outer doublet microtubules D. is due to sliding of actin filaments E. involves the rapid assembly and disassembly of outer doublet microtubules working together with motor molecules 2. An organelle found in eukaryotic cells that is surrounded by only a single membrane is a: A. chloroplast B. ribosome C. nucleus D. lysosome E. nucleosome MCDB 1A Final Exam - Yellow (1) Version: 1 Page: 1
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3. Ribosomes are not found in A. the Golgi apparatus B. mitochondria C. chloroplasts D. the rough endoplasmic reticulum E. prokaryotic cells 4. A bacterial cell gives rise to two genetically identical daughter cells by a process known as A. fertilization B. nondisjunction C. mitosis D. disjunction E. fission 5. Which statement about crossing over between two homologous chromosomes is correct? A. Crossing over occurs during metaphase of mitosis B. Crossing over occurs during metaphase of meiosis I C. Crossing over occurs during metaphase of meoisis II D. Crossing over occurs during prophase of meiosis I E. Crossing over occurs during prophase of meiosis II 6. Which of the following statements about mitosis is false ? A. Breakdown of the nuclear envelope occurs at prometaphase B. The duplicated chromosomes first become attached to the spindle microtubules at prometaphase C. The DNA in the nuclei of each daughter cell after mitosis is genetically identical to the DNA in the nucleus of the parent cell D. Condensation of the DNA to form visible chromosomes begins at prometaphase E. Homologous chromosomes do not form tetrads 7. The linkage at the centromeres holding two chromatids of a chromosome together at metaphase of mitosis is made of A. cohesin B. laminin C. kinesin D. bindin E. Elmer's Glue 8. Which statement is true about early development in the frog? A. The gastrula stage of a frog embryo is not distinguishable from the gastrula stage of
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MCDB_1A_Final_Exam_2008 - Name TA MCDB 1A FINAL EXAMINATION...

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