Saturday, January 21, 2012

Blog 9 : Cellular Metabolism Wordle

Wordle: cellular metabolism
http://www.wordle.net/show/wrdl/4710584/cellular_metabolism

Cellular metabolism are chemical processes that allows organism to respond to the environment, extrac get energy, grow, reproduce and maintain itself. It is grouped into catabolic processes that are involved with energyextraction, and anabolic processes, which involve the use of energy for growth and tissue repair. Atp is used as an barrier of chemical energy and has three phosphate graoups attached and can be broken down by hyddrolysis to release energy and are added in a covalent bond during respiration. ATP is used to drive active transport, and other chemical reactions such as photosynthesis, and cellular respiration. Plants depend on photosynthesis to obtain energy and chlorophyll to carry out the process. It contains two steps, photosystem which Atp is produced which will turn carbon dioxide into glucose, and the Calvin cycle which fixes carbon molecules from carbon dioxide into glucose without light. Overall process: 6CO2 + 12H2O + sunlight -> C6H12O6 + 6H2O + 6O2. O2 is released as a byproduct. Cells use Atp for energy gets it from cellular respiration in three stages: Step 1 is where food breaks down into sugar, lipid, and amino acids, Step 2 is where molecules from stage 1 is turned into a intermediate product, and Step 3 is where food is turned into ATP. When oxygen is not available cells go through fermentation produce energy.

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