1990 Ap Bio Essay Questions

1990 AP BIOLOGY Answers: Last PageThree hours are allotted for this examination: 1 hour and 30 minutes for Section I, which consists of multiple-choice questions; and 1 hour and 30 minutes for Section II, which consists of essay questions. Section I is printed in this examination booklet; Section II, in a separate booklet. SECTION ITime- 1 hour and 30 minutesNumber of questions – 120Percent of total grade – 60This examination contains 120 multiple-choice questions. Following this examination there are 12 multiple-choice questions regarding your preparation for this exam. Please be careful to fill in only the ovals that are preceded by numbers 1 through 132 on your answer sheet. General InstructionsDO NOT OPEN THIS BOOKLET UNTIL YOU ARE INSTRUCTED TO DO SO. INDICATE ALL YOURR ANSWERS TO QUESTIONS IN SECTION I ON THE SEPARATE ANSWER SHEET ENCLOSED. No credit will be given for anything written in this examination booklet, but you may use the booklet for notes or scratch work. After you have decided which of the suggested answers is best, COMPLETEY fill in the corresponding oval on the answer sheet. Give only one answer to each question if you change an answer be sure that the previous mark is erased completely. Many candidates wonder whether or not to guess the answers to questions about which they are not certain. In this section of the examination, as a correction for haphazard guessing, one-forth of the number or questions you answer incorrectly will be subtracted from the number of questions you answer correctly. If, however, you are not sure of the correct answer but have some knowledge of the question and are able to eliminate one or more of the answer choices as wrong, your chance of getting the right answer is improved, and it may be to your advantage to answer such a question. Use your time effectively, working as rapidly as you can without losing accuracy. Do not spend too much time on questions that are too difficult. Go on to other questions and come back to the difficult ones later if you have time. It is not expected that everyone will be able to answer all the multiple-choice questions.

   Granger: TO Plates: - LB | + LB AMP | + LB AMP ARA | + LB AMP, ARA added
   Granger: SK Plates: - LB | + LB AMP | + LB AMP ARA | + LB AMP, ARA added
   Lanter: TO Plates: - LB | - LB AMP | + LB AMP | + LB AMP ARA | + LB AMP, ARA added
   Marincel: SK Plates: - LB | - LB AMP | + LB AMP | + LB AMP ARA | + LB AMP, ARA added
   O'Neil: SK Plates: - LB | + LB AMP | + LB AMP ARA | + LB AMP, ARA added
   Stauder SK Plates: - LB | + LB AMP | + LB AMP ARA
   Thornberry TO Plates: - LB | + LB AMP ARA | + LB AMP, ARA added
   Thornberry, Stauder: SK Plates: - LB | + LB AMP | + LB AMP ARA | + LB AMP, ARA added
   Walsh, Marincel, Lanter: SK Plates: - LB | + LB AMP | + LB AMP ARA
   Walsh SK Plates: - LB | + LB AMP | + LB AMP ARA
   Lambda DNA Electrophoresis Gels with ruler:
     Kevin & Tommy | John & Ryan | Patrick & Conor | John & Matthew
     Addison & John | Mike & Franklin | Gil & David

  Mr. O'Keefe's Genetics Classes:
  Lambda DNA Electrophoresis Gels with ruler:
     BL & MO | Jd & FW | DG & BB | EO & TS | PQ & GS | RH & MK | RM & DS
     TM & PM | NS & TM | MS & WW | MM & MK | AS & JM | ? & MW
  DNA Fingerprinting Gels with ruler:
     BB & DG | RH & MWK | JD & FW & BL | DS & MO & EO & TS | PQ & GS
     MMM & SW | MK & MW | PB & TM | Nick & Tim | AS & JM | MA & MW

   PV92 Gels - KuenstingGill, David, Ryan, Tommy | John, John, Matt, Addison
     Kevin, John, Conor, Pat | Mike, Franklin
     St. Louis Science Center PV92 Lab Photos






































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