The sugar molecules thus formed contain carbon, hydrogen, and oxygen: Their hydrocarbon backbones are used to make amino acids and other carbon-based molecules that can be assembled into larger molecules (such as proteins or DNA), used for example to form new cells.
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Storing energy as a fat allows the energy to be conserved long-term. The organism can store a large amount of energy while being insulated.
*some living things store energy as both carbohydrates and lipids
The name for the protective structure that forms around an embryo is called Placenta
B. skeletal and nervous system
The central vacuole holds all of the water for the plant, and when the plant has had enough water, it swells. When the central vacuole swells with all of the water, it pushes against the cell wall. This is called turgor pressure, and it gives the plant the support it needs to stay upright.
