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Structures, Organelles, & Cell Transport
Terms in this set (29)
Basic unit of life
A thin, flexible barrier around a cell; regulates what enters and leaves the cell
Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
an organelle in a cell that holds the cell's DNA (plural: nuclei; related term: nucleic acid)
Golgi Bodies (apparatus)
Receives proteins and materials from the ER, packages them, and distributes them
Endoplasmic Reticulum (ER)
Carries substances, like proteins, to various parts of the cell.
Gel-like fluid where the organelles are found
This is where the biochemical processes of respiration and energy production occur.
An organelle containing digestive enzymes
ER that is dotted with ribosomes
ER that has no ribosomes
A threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins.
Movement of molecules from high to low concentration
A gradual, often unconscious, process of absorption
the external pressure that must be applied to stop osmosis
A solution having the same solute concentration as another solution, thus having no effect on passage of water in or out of the cell.
A solution with a higher salt concentration than in normal cells of the body and the blood.
any solution with a lower salt concentration than normal body cells so that water flows into the cells by osmosis.
Movement of specific molecules across cell membranes through protein channels
A process in which a cell engulfs extracellular material through an inward folding of its plasma membrane.
Process by which a cell releases large amounts of material
A state of balance
a process in which a membrane allows some molecules to pass through while keeping others out.
Within the nucleus is the site of ribosome production
A long, hairlike structure that grows out of a cell and enables the cell to move.
The movement of materials through a cell membrane using energy.
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