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| a specialized cellular part (as a mitochondrion or ribosome) that is analogous to an organ |
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| any of various round or long cellular organelles of most eukaryotes that are found outside the nucleus, produce energy for the cell through cellular respiration, and are rich in fats, proteins, and enzymes—called also chondriosome |
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| any of the RNA- and protein-rich cytoplasmic granules that are sites of protein synthesis |
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| a saclike cellular organelle that contains various hydrolytic enzymes |
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| a cytoplasmic organelle that consists of a stack of smooth membranous saccules and associated vesicles and that is active in the modification and transport of proteins—called also Golgi complex |
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| a cellular organelle of eukaryotes that is essential to cell functions (as reproduction and protein synthesis), is composed of nuclear sap and a nucleoprotein-rich network from which chromosomes and nucleoli arise, and is enclosed in a definite membrane |
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| the organized complex of inorganic and organic substances external to the nuclear membrane of a cell and including the cytosol and membrane-bound organelles (as mitochondria or chloroplasts) |
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| a spherical body of the nucleus of most eukaryotes that becomes enlarged during protein synthesis, is associated with a nucleolus organizer, and contains the DNA templates for ribosomal RNA—called also plasmosome |
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| the usually rigid nonliving permeable wall that surrounds the plasma membrane and encloses and supports the cells of most plants, bacteria, fungi, and algae |
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| a plastid that contains chlorophyll and is the site of photosynthesis and starch formation |
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| a cavity or vesicle in the cytoplasm of a cell containing fluid |
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| any of various nucleic acids that are usually the molecular basis of heredity, are constructed of a double helix held together by hydrogen bonds between purine and pyrimidine bases which project inward from two chains containing alternate links of deoxyribose and phosphate, and that in eukaryotes are localized chiefly in cell nuclei—called also deoxyribonucleic acid |
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| any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities—called also ribonucleic acid |
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| any of the RNA- and protein-rich cytoplasmic granules that are sites of protien synthesis |
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| endoplasmic reticulum that is studded with ribosomes |
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| an ordinary microscope that uses light as distinguished from an electron microscope |
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| scanning electron microscope |
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