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| Idea that all living things are composed of cells. |
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| Portion of the cell outside the cell. |
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| Allows material to move in and out of the pores, Like messages, instructions, and blueprints moving in and out of a main office. |
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| Granular material visible within the nucleus; consists of DNA tightly coiled around proteins. |
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| Threadlike structure within the nucleus containing the genetic information that is passed from one generation to the next. |
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| The center of the atom which contains the protons and neutrons; in cells, structure that contains the cell's genetic material (DNA) and controls the cell's activities. |
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| Small particle in the cell on which proteins are assemble; made of (RNA) and protein. |
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| Internal membrane system in cells in which lipid components of the cell membrane are assembled and some proteins are modified. |
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| Proteins produced in the rough ER move next into an organelle. |
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| Small organelles filled with enzymes. One function of lysosomes is the digestion, or breakdown, of lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell. |
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| Stores materials such as water, salts, proteins, and carbohydrates. |
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| Organelles that convert the chemical energy stored in food into compounds that are more convenient. |
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| Organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis. |
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| A network of protein filaments that helps the cell to maintain its shape. Cytoskeleton is also involved in movement. |
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| Located near the nucleus and help to organize cell division. |
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| Regulates what enters and leaves the cell and also provides protection and support. |
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| Strong supporting layer around the cell membrane in plants, algae, and some bacteria. |
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| Double-layered sheet that forms the core of nearly all cell membranes. |
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| Mass of solute in a given volume of solution, or mass/volume. |
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| Process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. |
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| When the concentration of a solute is the same throughout a solution. |
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| Diffusion of water through a selectively permeable membrane. |
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| When the concentration of two solutions is the same. |
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| When comparing two solutions, the solution with the greater concentration of solutes. |
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| Movement of specific molecules across cell membranes through protein channels. |
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| Process of taking material into the cell by means of infoldings, or pockets, of the cell membrane. |
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| Process in which extensions of cytoplasm surround and engulf large particles and take them into the cell. |
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| Process by which a cell takes in liquid from the surrounding environment. |
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| Process by which a cell releases large amounts of material. |
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| Cells throughout an organism can develop in different ways to perform different tasks. |
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| Group of similar cells that perform a particular functions. |
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| Group of tissues that work together to perform closely related functions. |
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| Large membrane enclosed structure that contains the cell's genetic material in the form of DNA. |
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| Organism whose cells contain nuclei. |
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| Unicellular organism lacking a nucleus. |
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| Specialized structure that performs important cellular functions within a eukaryotic cell. |
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| When comparing two solutions, the solution with the lesser concentration of solutes. |
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| Group of organs that work together to perform a specific function. |
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