Bis2A_exam1a_spr09

Bis2A_exam1a_spr09 - BIOLOGY 2A UCD SPRING 2009 EXAM 1A...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
B IOLOGY 2 A E XAM 1 A UCD S PRING 2009 G ERHART S TUDENT N AME ____ KEY __________________________________________ Instructions (2.5 points): Fill in your name and student ID number on the scantron and the first and last pages of your exam booklet and SIGN below if you consent to picking your exam up from the bins. Be certain that the bubbles of the scantron are filled in with your ID number and the correct version of your exam (found on the second page of questions). Mark your scantron! Mark the last page (multiformat page) (answers recorded in pencil can not be re- submitted for re-grading). Tear off the last page and turn it in separately from the scantron. B EST OF L UCK ON THE E XAM ! Scoring: Multiple choice (27 questions @ 2.5 points each) = 67.5 points + True / false (5 points) + Multi-format page (25 points) + following directions (2.5 pts) __________________________________________________ = 100 points possible Key to Bloom’s scoring of exam questions 1 = knowledge (recall, list, recognize) 2 = comprehension (describe, explain, define, provide an example) 3 = application (predict, use) 4 = analysis (infer, interpret, compare / contrast)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Choose the best answer for each question. Mark more than one answer ONLY when SPECIFICALLY told to do so in the question. 1. The function of the ribosome during protein synthesis is to (Level 2) A. catalyze the addition of amino acids to the growing polypeptide chain B. hold mRNA and tRNAs together C. ensure that the reading frame is not disrupted D. A and B only E. A, B, and C 2. Adaptation is a consequence of natural selection. In this context, adaptation means (Level 2) A. an adjustment to environmental conditions B. acclimation C. a heritable trait that increases fitness D. any change in gene frequency E. both A and B 3. In the diagram of a piece of DNA below, a gene is read from left to right. Which letter (A-E) logically corresponds to the transcription start site? (Level 2) C 4. Which letter (A-E) logically corresponds to the codons determining the amino acid sequence? (Level 2) B 5. Damaged DNA has an abnormal structure. Which of the following forms of damage is LEAST detectable to repair enzymes in the cell? (Level 3) A. Thymine dimers, the pairing of adjacent thymines to each other B. A purine across from another purine C. A purine across from the incorrect pyrimidine D. An unpaired loop in one strand E. A pyrimidine across from a pyrimidine 6. Leading and lagging strand formation during DNA replication is caused by (Level 2) A. The ability of DNA polymerase to build new DNA in only the 5’ to 3’ direction B. The antiparallel nature of the two parent (template) DNA strands C. The requirement that primase start each strand for DNA polymerase D. A and B only E. All of the choices are correct C E D F B A
Background image of page 2
7. What is the relationship between DNA, a gene, and a chromosome? (Level 2) A. Genes are long pieces of DNA that are passed between generations, and chromosomes each consist of one gene. B.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/08/2011 for the course BIS 2A taught by Professor Grossberg during the Fall '08 term at UC Davis.

Page1 / 8

Bis2A_exam1a_spr09 - BIOLOGY 2A UCD SPRING 2009 EXAM 1A...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online