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| messenger RNA |
a single-stranded molecule of ribonucleic acid that carries a code from the DNA, where it is synthesized, to the cytoplasm, where it specifies the sequence of amino acids required for protein synthesis. |
| plasmid |
a DNA-containing, self-reproducing element in the cytoplasm of some bacteria which exists outside the chromosome, used in recombinant DNA technology because it can alter a hereditary characteristic when introduced into another bacterium. |
| plastid |
any of several small protoplasmic structures found in the cytoplasm of some plant cells, in which substances such as starch, protein, and pigment are stored. |
| ribosome |
any of various small particles in the cytoplasm of a cell that contain RNA and are active in protein synthesis. |
| RNA |
any of several single-stranded nucleic acids containing the sugar ribose that occur in the cytoplasm of all living cells and are essential in protein synthesis; ribonucleic acid. |
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