Terms : Hide Images
| 83558744 | resolving power | A measure of the clarity of the image; it is the minimum distance two points can be separated and still be distinguished as two separate points | |
| 83558745 | cell fractionation | technique in which cells are broken into pieces and the different cell parts are separated | |
| 83558746 | nucleus | a part of the cell containing DNA and RNA and responsible for growth and reproduction | |
| 83558747 | endoplasmic reticulum | a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids | |
| 83558748 | food vacuole | Vacuole in cytoplasm that stores food, sarcodines surround a food source, create a vacuole and digest it | |
| 83558749 | chloroplast | organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy | |
| 83558750 | cytoskeleton | a network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement | |
| 83558751 | pseudopodia | A cellular extension of amoeboid cells used in moving and feeding | |
| 83558752 | organelle | a tiny cell structure that carries out a specific function within the cell | |
| 83558753 | cytoplasm | a jellylike fluid inside the cell in which the organelles are suspended | |
| 83558754 | chromatin | long strands of DNA found in the eukaryotic cell nucleus; condense to form chromosomes | |
| 83558755 | smooth ER | Ribosomes are not found on its surface. It contains collections of enzymes that perform specialized tasks including the synthesis of membrane lipids and the detoxification of drugs | |
| 83558756 | contractile vacuole | saclike organelles that expand to collect excess water and contract to squeeze the water out of the cell | |
| 83558757 | cristae | Infoldings of the inner membrane of a mitochondrion that houses the electon transport chain and the enzyme catalyzing the synthesis of ATP | |
| 83558758 | microtubules | are hollow tubes, like plumbing pipes that maintain the shape of the cell and serve as tracks for organelles to move along within the cell | |
| 83558759 | cell wall | strong wall outside a plant cell's plasma membrane that protects the cell and maintains its shape | |
| 83558760 | electron microscope | a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light | |
| 83558761 | prokaryotic cell | A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles; found only in the domains Bacteria and Archaea | |
| 83558762 | chromosome | threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next | |
| 83558763 | rough ER | A network of interconnected membranous sacs in a eukaryotic cell's cytoplasm; covered with ribosomes that make membrane proteins and secretory proteins. | |
| 83558764 | central vacuole | A membrane-enclosed sac occupying most of the interior of a mature plant cell, having diverse roles in reproduction, growth, and development. | |
| 83558765 | plastid | any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein | |
| 83558766 | microfilaments | Long, thin fibers that function in the movement and support of the cell | |
| 83558767 | plasmodesmata | An open channel in the cell wall of plants through which strands of cytosol connect from adjacent cells | |
| 83558768 | TEM | Trasmission Electron Microscope; used to study parts inside of a cell; only dead cells can be observed | |
| 83558769 | SEM | Scanning Electron Microscope (250.000 x) Spray with metallic cover. Scans surface. Makes 3D. | |
| 83558770 | eukaryotic cell | A type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles. Examples of organisms with these cells are protists, plants, fungi, and animals. | |
| 83558771 | plasma membrane | thin outer boundary of a cell that regulates the traffic of chemicals between the cell and its surroundings | |
| 83558772 | nucleolus | The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus | |
| 83558773 | ribosome | small particle in the cell on which proteins are assembled; made of RNA and protein | |
| 83558774 | golgi apparatus | stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum | |
| 83558775 | phagocytosis | process in which extensions of cytoplasm surround and engulf large particles and take them into the cell | |
| 83558776 | peroxisome | A microbody containing enzymes that transfer hydrogen from various substrates to oxygen, producing and then degrading hydrogen peroxide. | |
| 83558777 | mitochondria | Powerhouse of the cell, organelle that is the site of ATP (energy) production | |
| 83558778 | thylakoid | A flattened membrane sac inside the chloroplast, used to convert light energy into chemical energy. | |
| 83558779 | stroma | The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water. | |
| 83558780 | flagella | long, thin, whip-like structures, with a core of microtubules, that enable some cells to move | |
| 83558781 | cilia | short, hair-like structures made of microtubules that enable movement of cells or movement of materials outside a cell | |
| 83558782 | tight junctions | Membranes of neighboring cells are pressed together, preventing leakage of extracellular fluid | |
| 83558783 | gap junctions | Points that provide cytoplasmic channels from one cell to another with special membrane proteins. Also called communicating junctions. |
