Midterm Test

Midterm Test - Sample Questions October 2008 Biology 1222...

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Note: This is document is not, in any way, a “sample test”. These questions were collected from previous tests because they pertain to the material covered in this version of the course. However, this collection of questions does not necessarily reflect the emphasis, difficulty or length of the upcoming October Term Test. 1. Which of the following statements is the correct interpretation of the Petri plate shown here? A. The bacterium labelled 2 is more resistant to antibiotic than the bacterium labelled 5 . B. The bacterium is more resistant to the antibiotic labelled 5 than the antibiotic labelled 2 . C. The bacterium is more resistant to the antibiotic labelled 2 than the antibiotic labelled 4 . D. The bacterium labelled 4 is more resistant to antibiotic than the bacterium labelled 6 . E. None of A, B, C or D is correct. 2. Which of the following statements about the history of life on Earth is correct ? A. After the Earth formed it took only 2 billion years for life to develop. B. The development of prokaryotes was triggered by O 2 in the atmosphere. C. Dinosaurs and Homo sapiens co-existed for about 1 million years. D. Life developed about 4 billion years ago. E. None of A, B, C or D is correct. 3. Which of the following was a finding of the Miller-Urey experiment? A. Proteins could be synthesized by catalytic RNA. B. O 2 was required for abiotic synthesis of macromolecules. C. L-alanine could be synthesized without D-alanine being formed. D. DNA could be synthesized in the absence of enzymes. E. Amino acids could be synthesized abiotically. 4. Which of the following statements about chirality is correct ? A. Homochirality is a normal consequence of the chemical synthesis of macromolecules. B. Both chiral forms of Thalidomide cause birth defects. C. NO 2 can be considered a chiral partner of CO 2 . D. Homochirality may be explained by the specificity of enzymes for substrate. E. C and D only are correct. 5. Which of the following statements does not apply to RNA molecules? A. Ribozymes are biological catalysts. B. The presence of a second, complementary strand, makes RNA easy to repair. C. Ribosomes contain RNA. D. Some ribozymes act to decrease the abundance of specific mRNA molecules. E.
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This note was uploaded on 04/04/2009 for the course BIOLOGY 1222 taught by Professor Haffie during the Spring '09 term at UWO.

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Midterm Test - Sample Questions October 2008 Biology 1222...

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