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what is the function of the endoplasmic reticulum?
they provide a surface for chemical reactions whilst channels are transporting molecules
what are all the structures of the nucleus?
nuclei, nuclear membrane, nuclear pores, nucleolus
what is a bilayer?
the two layers in which the phospholipids are arranged
what is the role of the cytosol?
it is where most metabolic reactions occur and it plays a role in controlling the osmotic pressure of the cell and the flow of chemicals into and out of the cell
what is the diffusion scheme for osmosis?
the water moves from an area where a solute is low in concentration to an area where it is high in concentration
how do lysosomes do their magic?
they join with vesicles and the digestive enzyme breaks down the material inside the vesicle
what is the function of the cell membrane?
to seperate the cell contents from the environment outside the cell, and controls what enters and leaves
what is the rough endoplasmic reticulum?
when ribosomes are attached to the outside of membranes
what are lysosomes formed from?
the Golgi body
what is the largest organelle in a cell ?
how do proteins get to the Golgi body?
proteins produced at ribosomes pass through the channels of the ER to the Golgi body
what is the cytosol?
the liquid part of the cytoplasm which is about 90% water
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