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Photosynthesis and Cellular Respiration
Transcript of Photosynthesis and Cellular Respiration
Cellular Respiration In the chloroplast organelle In what organelle does the process of Photosynthesis occur? In what organelle does the process of Respiration occur? In the Mitochondria Where does respiration take place?
Plant cells, Animal cells, Both, Neither? How do plants and animals obtain energy? Why are animal cells not capable of carrying out Photosynthesis? Animal and Plant cells Because animal cells do not contain chloroplast or make their own food; They're hetero. 6. Photosynthesis and Respiration can be summarized into equations. Write the equations and how do they relate to one another. 6 H2O + 6 CO2 → C6H12O6 + 6 O2 is the equation for Photosynthesis. C6H12O6 + 6O2 → 6CO2 + 6H2O+ energy is the respiration equation. http://answers.yahoo.com/question/index?qid=20091025000944AAHDPn1
7. What major and accessory pigments are necessary for Photosynthesis to be carried out? Give a brief description of each. Chlorophyll B; is an accessory pigment that helps plants absorb light used for energy. Carotenoids; are a class of accessory pigments that occur in all photosynthetic organisms such as algae and some types of fungus and bacteria, Xanthophylls; are another class of accessory pigments. Anthocyanins; are a class of accessory pigments that are water soluble and remain in the vacuole. http://www.ehow.com/info_10064523_four-accessory-pigments-necessary-photosynthesis-carried-out.html
8. Analyze why leaves change color in autumn. Because of the mass chlorophyll production on autumn days. http://chemistry.about.com/od/howthingsworkfaqs/f/fallleafcolor.htm
9. Identify the parts of the plant involved in Photosynthesis. The mesophyll, veins, and stomates. http://biology.clc.uc.edu/courses/bio104/photosyn.htm
10. Distinguish between the light and dark reactions of Photosynthesis. In the light reactions, sunlight splits H2O to produce H+ (for energy) and O2 (waste). The dark reactions don't need sunlight directly, but use the energy produced during the light reactions. Here, CO2 is fixed from the air and converted into starches and sugars. http://www.edurite.com/kbase/difference-between-light-and-dark-reactions Animals gets it from eating other organisms and going though respiration; plants get energy from the photosynthesis where the sun's energy is turned into chemical energy 11. Explain what ATP is, how it is formed, and what is its role in photosynthesis and respiration? Adenosine triphosphate: Energy, in photosynthesis ATP is synthesized from the thylakoid membrane (sites of the photochemical reactions of photosynthesis), in Respiration ATP Respiration is the physical and chemical processes by which an organism supplies its cells and tissues with the oxygen needed for metabolism and relieves them of the carbon dioxide formed in energy-producing reactions. 12. How are glycolysis and the citric acid cycle used in Respiration? Are they used equally in
anaerobic and aerobic respiration? Glycolysis is the controlled breakdown of sugar and the citric acids cycle helps multiply ATP’s 13. What are the 2 main types of anaerobic respiration? Plant ( Alcoholic Fermentation ) and Animal ( Lactic Acid Fermentation ) 14. Which of the 5 kingdoms contain organisms that carry out Photosynthesis and Respiration? Plants, Chlorophyll in the plant's cells absorbs light waves hitting the green portions of the plant. The capturing of the light energy allows the chlorophyll to pull electrons from water.
This creates extra oxygen from the water to be released as waste from the process.
The electrons set off the generation of ATP to create energy for the cell.
An initial electron acceptor takes the electrons from the oxygen and passes them down the electron transport chain which ends with NADP+.
The electrons reduce each NADP+ to NADPH.
A movement of protons coincides with the electron transport.
This proton movement, known as the proton motive force, creates ATP by combining ADP with a proton (P1-).
The NADPH contributes the electrons and the ATP brings the energy required for the plant cell to create sugars from carbon dioxide (CO2) and water.
This stage requires no light to start or complete, but it often occurs when the plant has light available. http://www.ehow.com/how-does_5427110_three-stages-photosynthesis.html#ixzz26Oxbm1c0