201MidtermVersionB - PABIO 201 MIDTERM EXAM FALL 2008...

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PABIO 201 M IDTERM E XAM F ALL 2008 T UESDAY , O CTOBER 28 TH , 2008 ± Put your name is on BOTH the question and answer sheet. ± Use a Scorepak PURPLE answer sheet and a #2 pencil ± Mark only one circle per question completely and neatly. ± Write the test version [shown below] on the Purple answer sheet. If you mark this incorrectly, your test will not be graded according to the correct key. ± You are RESPONSIBLE for the correct transfer of your answers to the computer answer sheet. ± Your grade will be returned to you in class. If you wish to have your examination returned privately, give the proctor of the examination a note to that effect. ± Disregard any of our SPELLING mistakes. We are not testing on spelling. Test Version: B Student Name: ______________________________________ Student Identification #: _____________________________
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2 PABIO 201 Midterm Exam Tuesday, October 28,2008 NAME: ________________________________ 1. Which of the following statements is NOT TRUE ? a. DNA stores almost all information for life on Earth b. RNA is less stable than DNA c. A single nucleic acid strand has a backbone composed of chain of sugars and phosphates d. Native DNA is a double helix bound together by the base-pairing of A with T and C with G. e. DNA consists of only four different nucleotides with bases adenine (A), guanine (G), uracil (U), and cytosine (C). 2. Which of the following statements is NOT TRUE ? a. The usual order of information transfer is: DNA Æ RNA Æ protein b. The nucleotides in protein match the nucleotides in DNA. c. Translation is done by the ribosome. d. Messenger RNA (mRNA) contains information from DNA, encoded in a 3-nucleotide genetic code called codons. e. The promoter and terminator regions are important in regulating the expression of a gene. 3. Which of the following is NOT involved in the translation of mRNA to protein? a. amino acids b. transfer RNA c. RNA polymerase d. messenger RNA e. ribosomal RNA 4. Which of the following is a eukaryotic pathogen? a. The pathogen that causes AIDS b. The pathogen that causes Gonorrhea c. The pathogen that causes Tuberculosis d. The pathogen that causes Malaria e. The pathogen that causes SARS 5. Which of the following is NOT TRUE about SARS? a. It continues to increase in incidence around the world b. It has relatively low mortality (<10%) worldwide c. It can be transmitted from person to person in air, body fluid, or contact d. Its first known occurrence is in China e. Its causative agent is an RNA virus (continued on next page)
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3 PABIO 201 Midterm Exam Tuesday, October 28,2008 NAME: ________________________________ 6. All of the following are opportunistic infections that signal the start of a failing immune system (CD4 cells starting to fall) EXCEPT : a. Herpes zoster outbreaks b. Bacillary angiomatosis c. Candida oral infections d. Oral hairy leukoplakia e. Toxoplasma gondii brain infections 7. Which of the following AIDS Opportunistic Infections can be treated with ANTIVIRAL
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201MidtermVersionB - PABIO 201 MIDTERM EXAM FALL 2008...

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