2. Humans constantly exhale carbon dioxide. Usually, this carbon originates in t
ID: 212137 • Letter: 2
Question
2. Humans constantly exhale carbon dioxide. Usually, this carbon originates in the atmosphere and then is incorporated into living systems. For the first part of this question, address how this atmospheric carbon became incorporated into an organism and indicate what molecule the atoms of carbon dioxide were incorporated into in the organism. Your answer should include the formula for the reaction, a short description (2 sentences) of the two parts of this process, the specific location(s) within the organelle where these reactions occur, and, finally, indicate whether the reaction is endergonic or exergonic and identify the energy source for this process. At some point the molecule produced in the reaction above was ingested by an organism and broken down into carbon dioxide. How did this occur? Your answer should include the formula for the reaction, a short description (2 sentences) of the parts of this process, the specific location(s) within the organelle where these reactions occur, and, finally, indicate whether the reaction is endergonic or exergonic and identify the energy source for this procesS.Explanation / Answer
The atmospheric carbon is incorporated into an organism with help of the carbon cycle. The atmospheric carbon is taken by the plants is form of carbon dioxide and the animals and humans consume the plants. Omnivorous and carnivorous animals also consume the animals. The carbon is taken in form of sugar molecules which are gradually broken down. The photosynthesis process takes place in the chloroplasts and in animals it takes place in the mitochondria. It is exergonic process as it releases energy and the energy is produced by ATP.
The molecule is broken down in carbon-dioxide through many biochemical and metabolic pathways which produce carbon dioxide as bi-product. The molecules are broken down in the mitochondria as it breaks down the food and carbon sources into simpler particles in an exergonic process.
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