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10 Cards in this Set
- Front
- Back
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Archea as a group are not pathogens. This is because A. They are out competed by natural flora B. They evolved without mammals C. Mammalian hosts do not meet their environmental requirements D. Mammals evolved special defenses against them |
C. Mammalian hosts do not meet their environmental requirements |
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An organic nutrient that cannot be synthesized by the organism and must be provided is called a/an A. Macronutrient B. Trace element C. Growth factor D. Element |
C. Growth factor |
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The term autotroph refers to an organism that: A. Uses carbon dioxide for its carbon source B. Does not need a carbon source C. Gets energy by oxidizing chemical compounds D. Gets energy from sunlight |
A. Uses carbon dioxide for its carbon source |
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Organisms that feed on dead organisms for nutrients are called A. Lithoautotrophs B. Saprobes C. Autotrophs D. Parasites |
B. Saprobes |
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An organism that uses CO2 for its carbon needs and sunlight for its energy needs would be called a/an A. Halotroph B. Saprobes C. Chemoheterotroph D. Photoautotroph |
D. Photoautotroph |
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Formation of peptide bonds between amino acids to build a polypeptide would be called A. Glycolysis B. Anabolism C. Exergonic D. Fermentation |
B. Anabolism |
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Each of the following are true of enzymes except A. Their active site is specific to the substrate B. They can be used over and over C. They increase the activation energy of a reaction D. They may or may not require cofactors |
C. They increase the activation energy of a reaction |
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All of the following are exoenzymes except A. ATP Synthase B. Streptokinase C. Penicillinase D. Collagenase |
A. ATP Synthase |
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All of the chemical reactions of the cell are called A. Phosphorylation B. Cellular respiration C. Redox reactions D. Metabolism |
D. Metabolism |
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A holoenzyme is a combination of a protein and one or more substances called A. Cofactors B. Catalysts C. Apoenzymes D. Substrates |
A. Cofactors |
