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6 Cards in this Set
- Front
- Back
Extremophiles are most commonly what type of microorganism?
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Archae
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Substances required by living organisms in relatively large quantities and which play principle roles in cell structure and metabolism are known as what?
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Macronutrients
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Define a heterotroph?
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An organism that must obtain its carbon in an organic form.
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Molecules that satisfy heterotrophic nutritional requirements include all but which of the following?
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100.0%
a. Water 0.0% b. Nucleic acids Review "Carbon Sources" in the text for more information. 0.0% c. Lipids 0.0% d. Carbohydrates 0.0% e. Proteins |
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Nitrogen is required for the production of what category of molecules?
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0.0% a. Fatty acids
0.0% b. Phospholipids 100.0% c. Nucleotides Correct! 0.0% d. Carbohydrates 0.0% e. Cellulose |
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The primary sources of nitrogen for heterotrophs include all except which of the following?
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0.0% a. Proteins
0.0% b. DNA 100.0% c. Glucose 0.0% d. RNA 0.0% e. Amino acids The section in the text regarding "Nitrogen Sources" contains the answer to this question. |