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Unformatted text preview: amination Board. PSAT/NMSQT is a registered trademark jointly owned by the College Entrance Examination Board and the National Merit Scholarship Corporation. Educational Testing Service and ETS are registered trademarks of Educational Testing Service. Other products and services may be trademarks of their respective owners. For the College Board’s online home for AP professionals, visit AP Central at apcentral.collegeboard.com. AP® BIOLOGY 2003 SCORING GUIDELINES (Form B) Question 1 A difference between prokaryotes and eukaryotes is seen in the organization of their genetic material. (a) Discuss the organization of the genetic material in prokaryotes and eukaryotes. (b) Contrast the following activities in prokaryotes and eukaryotes · Replication of DNA · Transcription or translation · Gene regulation · Cell division (a) 4 points maximum (1 point for each bullet; each contrast pair must include 1 bullet from prokaryote and 1 bullet from eukaryote) Prokaryote Eukaryote · No introns · Introns · Location: not in nucleus · Location: nucleus (and Mito&Chloro) · Circular · Linear · No histones · Histones · One chromosome, usually · >one chromosome, usually · Plasmids common · Plasmids rare (yeast) · Supercoiled DNA · Chromatin DNA (b) 8 points maximum (each activity has a maximum of 2 points; each contrast pair must include 1 bullet from prokaryote and 1 bullet from eukaryote) Activity Prokaryote Eukaryote DNA Replication Single origin Multiple origin No telomeres Telomeres Location: Cyto/C...
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This note was uploaded on 08/19/2010 for the course BIOLOGY 101 taught by Professor Mancino during the Spring '10 term at Abant İzzet Baysal University.

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