Energy used to fuel biological processes comes from the breakdown of which of the following? Carbohydrates Fats Proteins ATP
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Biological processes require energy to function, and this energy is derived from the breakdown of various macromolecules. Show more…
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carbolhydrates,fats,proteins, and nucleic acids can all contribute to cell respiration through the varius metabolic pathways in a cell which of these biomolecules is the most efficient at enercy production explain your answer?
Adi S.
KEY CONCEPT: All cells need chemical energy. The energy that your cells need comes indirectly from the food you eat. The chemical energy used by all cells is carried by a molecule called adenosine triphosphate, or ATP. ATP is a molecule that transfers energy from the breakdown of molecules in food to cell processes. A molecule of ATP has three phosphate groups. The energy carried by ATP is released when the third phosphate group is removed from the molecule by a chemical reaction. When the phosphate group is removed and energy is released, ATP is converted into a molecule called adenosine diphosphate, or ADP. ADP is a lower-energy molecule that can be changed back into ATP by the addition of another phosphate group. Different types of carbon-based molecules (carbohydrates, lipids, and proteins) can be broken down to produce ATP. The breakdown of the different molecules produces different amounts of ATP. Carbohydrates, especially the simple sugar glucose, are most commonly broken down to make ATP. The breakdown of lipids produces many more ATP molecules than the breakdown of sugar. Proteins are the molecules least likely to be broken down, but they store about the same amount of energy as carbohydrates. Many organisms must eat other organisms to get the carbon-based molecules they need to make ATP. Some organisms, such as plants, use a process called photosynthesis to make their own food molecules. Other organisms that survive without light can make their own food molecules through a process called chemosynthesis.
Alexander B.
Energy needed for chemical reactions in the body is provided by the breakdown of RNA, ATP, ADP, OR DNA?
Madhur L.
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