Prelim 5 - 2008 - BioG 102 April 1, 2008 Prelim 5...

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BioG 102 April 1, 2008 Prelim 5 INSTRUCTIONS: 1) Please use a #2 pencil for the optical-scan answer sheets. 2) Fill in your last name, first name, and middle initial on the blue op-scan sheet as in the following example. Leave spaces between last and first names, and initial. Blacken the corresponding letters below in pencil. NAME (I-<)st•. First. M.I ' M'e Z':L ·-t~ N~fb"c K B' ffR-~B A'll< '04"'-"- Cj-d O! 07:5 O-crOCrcrc"CrOCrOT::/C:O cfO' @@@@@@@08@G@e0G.0tt80 ®@®@®®®®®®®.®®~®®®~® •• @8@ @.@@@O@O@C@ @ @@@@®@@@€@®@®®@@®@~@ (D®8®(D®®®8'®0CDC00G.)®8®8(~} ® 0C08®®®®®8®80®®80 ®G@@@@@@@@@@@@@@@ @ G®@@ ®®®®®2®8®@®2® ® 3) Under BIRTH DATE put the last name of your LABORATORY INSTRUCTOR (first 4 letters); mark NONE if you are not enrolled in lab. Do not blacken the circles below. 4) Starting in column A under IDENTIFICATION NUMBER put your 7-digit Cornell ID number. Leave no blanks between numbers; blacken the appropriate circles below each number as in the example. 5) Starting in column K under SPECIAL CODES please answer the questions given at the right and blacken the appropriate circles below. This information will assist us to better organize the course and in counseling students. Under SPECIAL CODES: K. Your college? o= Agriculture/Life Sci. 1 = Human Ecology 2 = Arts & Sciences 3 = Engineering 4 = Other College L. Years of previous biology? 0= None 1 = One Year 2 = Two years 3 = Three years or more M. Your class? o = Special or extramural 1 = Freshman 2 = Sophomore 3 = Junior 4 = Senior 5 = Graduate Student N. Did you take AP biology in high school? 0= no 1 = scored 3 or below 2 = scored 4 3 = scored 5 6) After you have completed these steps, proceed with the test. You will have 90 min (1.5 hrs) to complete it, and you will be notified when 10 and 5 min. remain. THIS BOOKLET CONSISTS OF 11 PAGES TOTAL. CHECK EACH PAGE NOW TO BE SURE THAT YOURS IS COMPLETE. You may keep this exam booklet. 1
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BioG 102 April 1, 2008 Prelim 5 01 (2 points). In the process of fertilization, as seen in sea urchins, which one of following events would be expected to occur third? A. Protein synthesis increases. B. Calcium ion channels in the endoplasmic reticulum are opened for a short time. C. Vesicles in the cytosol fuse with the plasma membrane. D. Formation of the fertilization envelope. E. There is a depolarization of the plasma membrane's electrical potential. 02 (1 point). Which of the following is an example of transcriptional control of gene expression? A. Differential binding of RNA polymerase to different promoters. B. Differential degradation of mRNA. C. Variations in mRNA processing before mRNA leaves the nucleus. D. Transcription factors bind differentially to control elements on the DNA.
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Prelim 5 - 2008 - BioG 102 April 1, 2008 Prelim 5...

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