ISB 202 exam study questions 1

ISB 202 exam study questions 1 - ISB FRUCTOSE 202 GLUCOSE...

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GLUCOSE FRUCTOSE ISB 202 Section 001 Fall 2008 Exam 1 Review Questions Exam 1 is Thursday, September 18 . PLEASE: BRING SCORING PENCILs (No. 2) BE ON TIME!! (Anyone arriving after the first person turns in his/her exam will be given an essay exam.) 1. “Science” deals in facts and measurements that are repeatable. T or F? 2. “Everyone I’ve met today has a cold, so all students must have developed colds this weekend,” is an example of “deductive” reasoning. T or F ? Inductive reasoning – assumes that the observations for a small set of facts are true for the entire set of facts, i.e., it assumes generalities from specifics 3. C, H, O, N, P and S make up > 90% of all organic compounds. T or F? Plants are made up of C, H, O (>90%!!) and 13 other essential elements, including N, S, and P. 4. Scientists have been able to create small forms or life. T or F? Scientists analyzing the genomes of microbes believe that they have reconstructed the pivotal event that created the one-celled organism from which all animals and plants are descended, including people 5. Why isn’t a virus considered to be alive? – don’t have cells need cells to be alive 6. In nature, similarities are easier to see than differences? T or F ? we are all very genetically similar but look very different 7. What is the definition of: Atom? Molecule? Polysaccharide? Atom – ** the smallest particle that retains the property of an element o Has: -- a nucleus (core) of protons (+) o -- and an equal number of electrons (-) spinning outside. o -- (Most also have neutrons in nucleus.) Molecule – two or more atoms combined What are polysaccharides? - Combination of two or more simple sugars. 8. Which of the following is the “sugar of life?” Sucrose, glucose, ribose, fructose or amylase b. ** Glucose is the most imp.! ** “Sugar of life” or “blood sugar” 9. Fructose and glucose made up of the same elements. T or F?
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10. Is the nucleus of an atom positive or negative? -- a nucleus (core) of protons (+) 11. Metabolism involves doing what with energy? 1. Putting together and taking apart atoms - - There is a lot of energy in electrical bonds between atoms. ** 2. “obtaining, using, or storing energy.” Energy – necessary for life’s processes 12. What are the four categories of macromolecules? 1. Polysaccharides (carbohydrates) 2. Protein 3. Lipids (fats) 4. Nucleic Acids (e.g., DNA) 13. How are glucose and sucrose the same? Different? ** Glucose is the most imp.! - ** “Sugar of life” or “blood sugar” o monosaccharide ** Sucrose is the most common sugar in nature! o Polysaccharide o Made from glucose and fructose 14. Simple sugars can be in chains or in what other form? Both can be in either straight chains or in rings.
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ISB 202 exam study questions 1 - ISB FRUCTOSE 202 GLUCOSE...

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