Test 1 - Answers and explanations are in Red. NOTE: The...

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Answers and explanations are in Red . NOTE: The emphasis put on lecture topics this year will not be the same as that of last year. Use these questions only as a guide, they may not all be representative. I will not be answering questions on this old exam it is just posted FYI. 1. The characteristics that are associated with living systems first appear at the organizational level of the A) molecule. B) organelle. C) cell. D) virus. E) organ. 2. Which of the following statements concerning unsaturated fats is true ? A) They are more common in animals than in plants. B) They have double bonds in the carbon chains of their fatty acids. C) They generally solidify at room temperature. D) They contain more hydrogen than saturated fats having the same number of carbon atoms E) They have fewer fatty acid molecules per fat molecule. 3. Life requires about 25 elements, the four most abundant are A) calcium, oxygen, phosphorus and hydrogen. B) oxygen, hydrogen, carbon and nitrogen . C) iron, carbon, oxygen and nitrogen. D) hydrogen, silicon, neon and argon. E) oxygen, carbon, nitrogen and calcium. 4. Which of the following terms is matched correctly ? A) antibiotic – kills prokaryotes B) antibiotic – kills eukaryotes C) antibiotic – kills virus D) antibiotic – produced in animal cells E) antibiotic - a polysaccharide 5. In the diagram of the following molecule, 1 represents the _______, 2 represents the ________, 3 represents a ___________ and 4 represents a _________.
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A) nitrogenous base; deoxyribose sugar; nucleotide; nucleoside B) nitrogenous base; deoxyribose sugar; nucleoside; nucleotide C ) nitrogenous base; ribose sugar; nucleoside; nucleotide D) nitrogenous base; ribose sugar; nucleotide; nucleoside E) thymine; deoxyribose sugar; RNA; a gene 6. Altering which of the following levels of protein structural organization could change the function of the protein? A) primary B) tertiary C) quaternary D) secondary E) Any of these. 7. A sugar that contains 1 glucose and 1 fructose unit is a A) monosaccharide. B) simple sugar. C ) disaccharide. D) monomer. E) polysaccharide. 8. Which of the following is not an amino acid A) adenine. B) alanine. C) cysteine. D) glutaminc acid. E) agrinine. 9. A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from A) a bacterium. B) an animal, but not a plant.
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C) a plant, but not an animal. D) a plant or an animal. E) any kind of organism. 10. Which of the following organelles is not a common destination for small vesicles that bleb off the Golgi apparatus? A) plasma membrane B) lysosome C) vacuole D) ribosome E) nuclear membrane 11. Which of the following statements incorrectly describes common structural features of an animal nerve cell and a plant leaf cell. A) Both cells have Golgi apparatus
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This note was uploaded on 04/18/2010 for the course BIOLOGY 1223 taught by Professor Gardiner/lajoie during the Fall '09 term at UWO.

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Test 1 - Answers and explanations are in Red. NOTE: The...

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