Solution to World Poverty

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CHAPTER 5: MICROIAL METABOLISM PRE-TEST 1: Which of the following types of transport involves the expenditure of energy and special membrane proteins? ACTIVE TRANSPORT 2: Which of the following molecules serves as the short-term recyclable energy supply for a cell? ATP 3: Which of the following is a waxy lipid found predominantly in the cell walls of Mycobacterium? MYCOLIC ACID 4: Catabolic reactions are chemical reactions that BREAK LARGE MOLECULES APART 5: Denaturation is typically a problem with which of the following? PROTEINS 6: A difference in the concentration of a chemical on both sides of a membrane leads to which of the following phenomena? DIFFUSION 7: Which of the following eukaryotic organelles is responsible for the production of ATP? MITOCHONDRION 8: Glucose is A MONOSACCHARIDE Glucose is a monosaccharide; it is both an important energy molecule by itself and a building block of more complex carbohydrate 9: Which of the following is considered a neutral pH? 7.2 10: Due to the semipermeable nature of a phospholipid membrane, all of the following types of substances will normally be kept on one side of the membrane EXCEPT NON-POLAR MOLECULES 11: A molecule that gains an electron from another molecule will experience A REDUCTION in its overall electrical charge. 12: Hydrolysis reactions ARE EXOTHERMIC 13: If a molecule is described as "organic," this means it CONTAINS CARBON AND HYDROGEN 14: Glucose is a sugar with six carbons. This makes it a HEXOSE Hexoses (sugars with six carbons), such as glucose, play a vital role in the metabolism of all cells. 15: A proton is an atomic particle with a POSTIVE CHARGE 16: Pasteur made major contributions to the study of which of the following? FERMENTATION 17: Which of the following is NOT associated with the structure of fats? PEPTIDE BONDS 18: Members of which of the following groups are

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