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20 Cards in this Set
- Front
- Back
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What element is found in Proteins, but not Nucleic Acids, Carbs, or Lipids? |
Sulfur |
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What element is found in Nucleic Acids, but not Proteins, Carbs, or Lipids? |
Phosphorous |
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What element is found in Nucleic Acids and Proteins, but not Carbs or Lipids? |
Nitrogen |
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What elements are found in Proteins, Nucleic Acids, Carbs, and Lipids? |
Carbon, Hydrogen, and Oxygen |
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When is a reaction spontaneous? |
When ΔG is negative |
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Catabolic vs. Anabolic |
Catabolic: Breaks chemical bonds |
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What is the level of structure for alpha helices and beta plated sheets? |
Secondary structure. |
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What is the level of structure for denatured proteins? |
Primary structure. |
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What factors can denature an enzyme? |
pH and temperature. |
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What is the level of structure for enzymes? |
Tertiary or Quaternary. |
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What reaction is used to create polymers? |
Dehydration synthesis. |
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What gives water its cohesive qualities? |
Its ability to form hydrogen bonds with itself. |
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When ΔG is negative, is the reaction always exergonic or endergonic? |
When ΔG is negative, the reaction is always exergonic. |
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Adhesive property of water vs. Cohesive property of water |
Adhesive: Water can stick to other substances |
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What provides capillary action for plants? |
The adhesive and cohesive properties of water. |
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Where does capillary action occur? |
In the xylem of plants. |
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Using capillary action, where does water move? |
From the source to the sink. |
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Typically, water travels from areas of ____ water potential to ___ water potential. |
High to low. |
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Which of these factors affect the rate of diffusion: Temperature, Concentration gradient, molecule size, and Pressure |
All of the above, higher temperatures increase the rate of diffusion, molecules diffuse away from higher concentrations of themselves, smaller molecules diffuse faster, and molecules diffuse away from higher pressure levels. |
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What protein channel is used to transport water in and out of the cell? |
Aquaporin. |
