Lab test 2-Photosynthesis
Terms
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- What cell organelle is involved in photosynthesis?
- Chloroplast
- What is the general equation for photosynthesis?
- CO2+H2O--->>>(solar energy)(CH2O)n+O2
- What is the purpose of chromatography?
- used to seperate molecules from each other based on their solubility
- What solvent is used in the seperation?
- ether
- what four pigments are present in the leaves?
- Chlorophyll A, chlorophyll B, Beta-carotene, xanthophylis
- What color is Chlorophyll A&B, beta carotene, and xanthophylis?
- Green, Blue, orange, yellow
- Which pigment is the most soluble in the solvent?
- beta-carotene
- which pigment is the least soluble in the solvent?
- chlorophyll b
- How is the Rf value calculated?
- distance moved by pigment divided by the distance moved by the solvent
- Which pigment has the lowest Rf value?
- Chlorophyll b
- which pigment has the highest Rf value?
- beta-carotene
- What is the purpose of sodium bicarbonate?
- Supplies elodea with CO2
- What was the purpose of the pickle jar of water?
- to serve as a heat absorber
- What direction does the fliud move in the precense of light? Why did it move that way?
- forward, photosynthesis was occuring
- What process is taking place? Photosynthesis, cellular respiration, or both?
- Cellular respiration
- What direction does the fluid move in the tubing when the volumeter is wrapped in foil? Why does it move in that direction?
- reverse, no more photosynthesis was occuring
- What is the general equation for cellular respiration?
- C6H12O6+6O2---->>6CO2+6H2O
- What cell organelle is involved in cellular respiration?
- mitochondrian
- What gas was being used by the plant in cellular respiration
- carbon dioxide
- is the ATP being made aerobically or anaerobically in cellular respiration?
- aerobically