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24 Cards in this Set
- Front
- Back
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What is the formula for cellular respiration?
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C6H12O6 + 6 O2 -> 6 H2O + 6 CO2 + ATP
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Broadly, what does cellular respiration responsible for?
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Conversion of chemical energy into energy that is immediately available to the organism
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In cellular respiration, where is chemical energy typically stored?
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In complex sugars.
Chemical energy is stored in fats, proteins and carbohydrates which converts ADP + Pi into ATP. |
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What are the three steps of the cellular respiration process?
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1. Glycolysis
2. Krebs Cycle (citric acid cycle) 3. Oxidative Phosphorylation |
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What happens in glycolysis?
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1 glucose -> 2 pyruvate + 2 ATP (net)
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What happens in the Krebs cycle? What's another name for this?
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Also known as the citric acid cycle.
1. Aerobic respiration: occurs in the presence of oxygen. 2. Completes breakdown of glucose by oxidation -> CO2 + ATP |
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What occurs in oxidative phosphorylation?
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1. Electron transport chain (ETC) and chemiosmosis.
2. Powered by oxygen 3. Around 32-34 ATP are generated. |
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What type of yeast did we use in the lab?
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Saccharomyces cerevisiae
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What did we measure in the cellular respiration lab?
What did we use to measure it with? |
1. Carbon dioxide.
2. CO2 gas sensor |
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What was the reaction equation used in the enzyme action lab?
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2H2O2 -> 2H2O + O2
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What product was measured in the enzyme action lab?
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The rate of oxygen was measure.d
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What two factors were taken into consideration in the enzyme action lab?
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1. Temperature
2. Concentration |
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At what temperature did the enzyme best perform?
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Room temperature (20-25 degrees Celsius)
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At what concentration did the enzyme best perform?
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With the highest concentration of 12 drops.
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What is critical to remember about handling the O2 sensor?
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The O2 gas sensor must remain upright at all times.
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What does ppm stand for?
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Parts per million
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What is the independent variable?
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X
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What is the dependent value?
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Y
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Where does cellular respiration take place?
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The mitochondrion.
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What sugars did the yeast BEST metabolize?
What is the hypothesis as to why? |
1. Sucrose and glucose were best metabolized because they're simpler structures.
2. Fructose |
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What is fructose?
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A monosaccharide
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What is sucrose?
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A disaccharide
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What is glucose?
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A monosaccharide
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What are examples of polysaccharides?
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Cellulose and starch
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