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| structure that contains the cell's genetic material (DNA)and controls the cell's activities |
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| organism whose cells lack a nucleus |
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| organism whose cells contain nuclei |
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| specialized structure that performs important cellular functions within a eukaryotic cell |
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| material inside the cell membrane, not including the nucleus |
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| layer of two membranes that surrounds the nucleus of a cell |
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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 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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| small particle in the cell on which proteins are assembled; 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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| stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum |
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| cell organelle filled with enzymes needed to break down certain materials in the cell |
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| cell organelle that stores materials such as water, salts, proteins, and carbohydrates |
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| cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use |
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| organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy |
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| network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movement |
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| one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope |
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| think, 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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| series of events that cells go through as they grow and divide |
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| part of eukaryotic cell division during which the cell nucleus divides |
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| division of the cytoplasm during cell division |
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| one of two identical "sister" parts of a duplicated chromosome |
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| area where the chromatids of a chromosome are attached |
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| structures that have different mature forms in different organisms but develop from the same embryonic tissues |
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| term used to refer to a cell that contains both sets of homologous chromosomes |
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| term used to refer to a cell that contains both sets of homologous chromosomes |
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| term used to refer to a cell that contains only a single set of chromosomes and therefore only a single set of genes |
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| process by which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell |
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