natural killer cells.
The liver and spleen serve as sites for blood cell production in a developing fetus, but the lungs do not.
energy membrane structure insulation source of glycerol
Membrane macromolecules serve functions such as controlling the passage of substances in and out of the cell, providing structural support to the cell, facilitating cell communication and signaling, and helping to maintain the cell's overall integrity. They also play a role in cell adhesion and recognition processes.
Spindles are used to split a cell during mitosis or meiosis and once the cell is split they no longer serve a purpose.
Since Elodea are freshwater plants they need cell walls to prevent water, which moves into the cell, from bursting the cell. The cell wall provides cellular rigidity so that the cell won't burst in response to osmosis there will just be a build of of pressure that is maintained by the cell wall. If the pressure is too great the cells will explode and the Elodea will DIE.
Channels in the cell membrane serve as passageways for the selective transport of ions and molecules into and out of the cell. They help maintain the cell's internal environment by controlling the flow of substances across the membrane.
The only cell that can really serve is an animal cell for example a camel can serve het.
It serve as the control system.It control every activity.
Glycoproteins
The liver and spleen serve as sites for blood cell production in a developing fetus, but the lungs do not.
it is where materials are transported to different cell parts
information receivers.
The cell wall keeps the the cell turgid and upright. In essence, it is there to support the cell and help it to keep its shape.
How does cholesterol function
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Receptors, Selective Channels and pores