It depends which cells and if the body is in a state of ketosis or not.
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Mitochondria are the organelles in cells responsible for generating ATP molecules through the process of cellular respiration. This process involves breaking down glucose and other nutrients to produce energy in the form of ATP.
It is used for the same thing in animal and other cells. It is used to make ATP, the energy storage molecule in cells. When any cell needs to do work, it breaks ATP molecules down into ADP and P molecules and the energy released is used by the cell to do work.
The light energy absorbing molecules, such as chlorophyll, are found in the chloroplasts of plant cells. These molecules are responsible for capturing light energy and initiating the process of photosynthesis.
Adenosine TriPhosphate is a high energy molecule used in the Kreb cycle of the mitochondria, the powerhouse of the cell.
Muscle cells do not directly use maltose as an energy source. Maltose is a disaccharide composed of two glucose molecules linked together. Muscle cells break down maltose into its constituent glucose molecules with the help of the enzyme maltase. These glucose molecules are then used by muscle cells for energy production through processes like glycolysis and cellular respiration.
Cells extract chemical energy from fuel molecules through a series of enzymatic reactions in the process of cellular respiration. This energy is stored in molecules like ATP, which can be used by cells for various functions. When energy is needed, cells can tap into these stored sources by breaking down ATP back into ADP and phosphate, releasing the stored energy for cellular work.