limiting calorie intake and increasing energy needs
Maintaining a stable external environment
mitochondria
oxygen :)
I believe that is fermentation.
limiting calorie intake and increasing energy needs
When living cells break down food molecules, energy is released in the form of ATP (adenosine triphosphate). This process is known as cellular respiration and occurs in the mitochondria of the cell. ATP is the main energy currency of the cell and is used to power various cellular processes.
cells
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Cells break down fat molecules primarily during a state of fasting, low carbohydrate intake, or intense exercise. In these conditions, the body activates lipolysis, the process where triglycerides stored in fat cells are converted into free fatty acids and glycerol for energy. Hormones such as glucagon and epinephrine play a key role in signaling this breakdown. Additionally, conditions like ketosis, often associated with ketogenic diets, also promote fat metabolism.
Cells can break down into fat molecules primarily due to a lack of energy availability, where the body shifts to fat metabolism for energy during prolonged fasting or intense exercise. Hormonal signals, such as increased levels of glucagon and decreased insulin, promote lipolysis, the process of breaking down stored fats into free fatty acids and glycerol. Additionally, certain metabolic disorders or conditions, like diabetes, can also lead to excessive fat breakdown.
To get energy. Sugars are particularly important fuel molecules. They are oxidized in the food we eat and must be broken down into smaller molecules before our cells can use them.
well, enzymes are proteins that break up food molecules and digestion is when large protein molecules are broken down