By the process of respiration. In this process, glucose is oxidised to carbon dioxide and water (aerobic) and ATP is produced. (ATP is the energy currency of cells)
Most of them do it exactly the same your own cells do it - oxidizing hydrogen in mitochondria. A few use fermentation (sugar to lactic acid).
Low-density lipoproteins or LDLs are substances made up of fat and protein. Cells acquire LDLs through receptor-mediated endocytosis, wherein specific molecules are ingested into the cell.
in fermentation, cells release energy without
Some of the adaptations they develop through Evolution help them acquire energy.
solar cells change radiation energy energy into electrical energy solar cells change radiation energy energy into electrical energy solar cells change radiation energy energy into electrical energy
Mitochondria and Chloroplasts
Lack of oxygen in the cells. Cellular respiration requires oxygen. Without oxygen, the cells acquire the energy they need from lactic acid fermentation. (This is the cause of muscle pain after workouts).
When a brown bear eats a salmon it does not acquire all the energy contained in the body of the fish. This is because the bear's body is not efficient enough to obtain all of the energy from what eat eats. When the cells covert the protein of the fish into energy, it looses most of the useful energy in the process (the second law of thermodynamics proves this).
Animal cells are able to absorb water and nutrients because of their semi-permeable membrane. The digestive process releases nutrients from food into the bloodstream, which are then synthesized by cells for energy.
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to aqcuire energy they eat food
Lack of oxygen in the cells. Cellular respiration requires oxygen. Without oxygen, the cells acquire the energy they need from lactic acid fermentation. (This is the cause of muscle pain after workouts).
Viruses do not possess the necessary mechanisms to acquire nutrients, process them and use them for metabolism. Instead, they 'hijack' a host cell and use the mechanisms of the host cell to replicate itself.
Both plant and animal cells break down glucose (C6H12O6) in order to create adenosine triphosphate, or ATP, which provides energy for the cell. Plant cells are able to manufacture glucose through photosynthesis, but animal cells must acquire the glucose by ingesting it from another source. Both types of cells undergo cellular respiration, which is the process by which the ATP is produced out of glucose.
Most of them do it exactly the same your own cells do it - oxidizing hydrogen in mitochondria. A few use fermentation (sugar to lactic acid).
Energy
Do cells extract energy