1479241
| Question | Answer |
| Nucleus | Most prominent organelle of a eukaryotic cell. Enclosed within two concentric membranes and contains DNA organized into chromosomes. |
| Nucleolus | Large structure in nucleus where ribosomal RNA is transcribed and ribosomal subunits are assembled. |
| Nuclear envelope | A double lipid bilayer also known as the nuclear membrane. |
| Mitochondrion | Membrane-enclosed organelle, about the size of a bacterium. Carries out oxidative phosphorylation and produces most of the ATP in eukaryotic cells. |
| Rough Endoplasmic Reticulum | Region of ER associated with ribosomes and involved in the synthesis of secreted and membrane-bound proteins. |
| Smooth Endoplasmic Reticulum | Region of ER not associated with ribosomes, but involved in the synthesis of lipids. |
| Endoplasmic Reticulum | Membrane-enclosed component in the cytoplasm of eukaryotic cells, where lipids and secreted & membrane-bound proteins are made. |
| Ribosome | Particle composed of ribosomal RNAs and ribosomal proteins that associate with mRNA and catalyses the synthesis of protein (translation). |
| Golgi apparatus | Membrane-enclosed organelle in eukaryotic cells where the proteins and lipids made in the ER are modified and sorted for transport to other sites around the cell. |
| Secretory granule | Membrane-enclosed organelle in which molecules destined for secretion are stored prior to release. Visible as small solid object due to darkly staining contents. |
| Plasma membrane | Membrane that surrounds a living cell. |
| Cytoskeletal components | System of protein filaments in the cytoplasm of a eukaryotic cell that gives the cell shape and the capacity for directed movement. Most abundant components: actin filaments, microtubules and intermediate filaments |
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