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Midterm_2_2006

Midterm_2_2006 - Question 31 7:30 AM Question 32 7:30 AM...

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7:30 AM Question 31
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7:30 AM Question 32
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7:30 AM Question 33
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Name _________________________ TA ________________________ MCDB 1A Midterm Examination 2 November 15, 2006 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 ID number box. 5. Fill in the entire rectangle of the answer you choose. If you erase, erase completely. READ ALL QUESTIONS THOROUGHLY----IN ALL CASES, PICK THE BEST ANSWER 33 QUESTIONS - 3 POINTS EACH; TEST COLOR - 1 POINT INFORMATION FOR QUESTIONS 31-33 WILL BE SHOWN ON THE SCREEN 1. Which statement is true about mitosis? A. the duplicated chromosomes first become attached to the spindle microtubules during prophase. B. the nuclei of the daughter cells after mitosis are not genetically identical to the parent nucleus. C. the mitotic spindle microtubules grow and shorten by the process of dynamic instability. D. homologous chromosomes form tetrads during prophase. E. none of the above 2. What is the purpose of the folds of the inner mitochondrial membrane? 3. During meiosis I in development of a sperm cell, each daughter cell receives 4. In plant cells, cytokinesis is accomplished by the formation of a MCDB1A Midterm 2 Blue Version: 0 Page: 1
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5. Which one of the following pairs is mis-matched? A. karyotype- a display of all of the chromosomes of a eukaryotic organism B. nucleosone- consists of DNA wrapped around a core of histone proteins C. antiport- transports two molecules in the same direction D. absence of an important lysosomal enzyme- Tay-Sachs disease E. clathrin- coats the inside surface of a coated pit
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