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Substances pass through the plasma membrane, although ot is not technically an organelle.
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How does the substances for photosynthesis enter and leave the plant?
Leaves
What must a substance pass through to enter or leave a cell?
If substances did not pass through cell membranes, then all single-celled and multicellular organisms would die.
What is a Small uncharged substances enter and leave the cell membrane a process of?
Endocytosis
Materials enter and leave the nucleus through opening in its?
materials enter and leave the nucleus through openings in its cell wall and membrane
What substances let things go into and out of the cell?
Proteins made on "bound" (attached) ribosomes leave through the cell membrane, and other proteins will enter the cell.
What substances enter and leave the cells?
Proteins made on "bound" (attached) ribosomes leave through the cell membrane, and other proteins will enter the cell.
Why don't substances enter or leave through the wall of arteries or veins?
The vein and or arteries have a very think layer of skin and prevent the "substances" from leaving.
What kind of blood vessels allow substances to enter and leave the blood easily around the cells?
Capillaries. they have such thin walls that substances can easily diffuse through them.
Why substances enter and leave the blood stream through the walls and capilliaries amd not arteries and veins?
Oxegen and Carbon dioxide
How does the substances for photosynthesis enter and leave the plant?
Leaves
What cell main job is to control which substances enter and leave a plant cell.?
?
What cell organelle has pores that allow certain molecules to leave and enter it?
Cell membrane
What must a substance pass through to enter or leave a cell?
If substances did not pass through cell membranes, then all single-celled and multicellular organisms would die.
The nuclear envelope regulates which substances enter and leave a cell?
False
What is the process by which substances leave the glomerulus and enter the glomerular capsule?
Filtration
What do living cell maintain by controlling materials that enter and leave?
Living cells maintain homoeostasis by controlling materials that enter and leave the cell. This is made possible through the permeable cell membrane which is selective on the substances that pass through it.
What acts as a barrier and decides which substances can enter and leave the cell?
The cell membrane.
