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| cell organelle that stores materials such as water, salts, proteins, and carbohydrates for plant and animal use |
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| organelle that captures the energy from sunlight and converts it into chemical energy |
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| thin, flexible barrier around a cell; regulates what enters and leaves the cell |
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| strong supporting layer around the cell membrane in plants, algae, and some bacteria |
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| stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum |
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| organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell use |
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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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| 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 assembled; made of RNA and protein |
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| group of tissues that work together to perform closely related functions |
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| group of similar cells that perform a particular function |
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| unicellular organism lacking a nucleus |
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| organism whose cells contain nuclei |
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| threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next |
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| small, dense region within most nuclei in which the assembly of proteins begins |
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| one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope |
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