Vocabulary words from the AP Edition of Campbell Biology, Chapter 6.
6599743619 | organelles | membrane-enclosed structures within a eukaryotic cell | ![]() | 0 |
6599743620 | cytosol | a jellylike substance where organelles and other components are found | ![]() | 1 |
6599743621 | eukaryotic cell | Cell with a nucleus and membrane bound organelles | ![]() | 2 |
6599743622 | prokaryotic cell | Cell with no nucleus nor membrane bound organelles | ![]() | 3 |
6599743623 | nucleoid region | a non-membrane-enclosed region of the cell where prokaryotic DNA is found | ![]() | 4 |
6599743624 | cytoplasm | the region in a cell between the cell membrane and nucleus; it contains the cell structures and oganelles | ![]() | 5 |
6599743625 | plasma membrane | The selective barrier that surrounds a cell; it controls what enters and leaves the cell | ![]() | 6 |
6599743626 | nucleus | chromosome-containing part of a eukaryotic cell | ![]() | 7 |
6599743627 | nuclear envelope | encloses the nucleus to separate its contents from the cytoplasm | ![]() | 8 |
6599743628 | nuclear lamina | a netlike array of protein filaments that maintains the shape of the nucleus by mechanically supporting the nuclear envelope, lines the nuclear side of the nuclear envelope | ![]() | 9 |
6599743629 | chromosomes | tightly coiled structures that carry the genetic information (can be seen during nuclear division) | ![]() | 10 |
6599743630 | chromatin | loosly coiled genetic material that makes up chromosomes, a complex of proteins and DNA | ![]() | 11 |
6599743631 | nucleolus | located in the nucleus, makes, synthesizes, and partially assembles ribosomes | ![]() | 12 |
6599743632 | ribosomes | made of ribosomal RNA and protein, synthesize proteins | ![]() | 13 |
6599743633 | endomembrane system | membranes that divide the cell into organelles such as the nuclear membrane, the endoplasmic reticulum, the Golgi apparatus, lysosomes, vesicles, and the cell membrane. | ![]() | 14 |
6599743634 | endoplasmic reticulum (ER) | accounts for more than half of total membrane in many eukaryotic cells, continuous with the nuclear envelope | ![]() | 15 |
6599743635 | smooth ER | portion of the endoplasmic reticulum free of ribosomes, synthesize lipids, detoxifies the cell, and regulates calcium levels | ![]() | 16 |
6599743636 | rough ER | portion of the endoplasmic reticulum studded with ribosomes, produce and transport membrane and secretory proteins | ![]() | 17 |
6599743637 | glycoproteins | proteins with covalently-bonded carbohydrates that play a role in cell to cell interaction | ![]() | 18 |
6599743638 | transport vesicles | vesicles in transit from one part of the cell to another | ![]() | 19 |
6599743639 | Golgi apparatus | stack of membranes that modifies, sorts, and packages proteins from the endoplasmic reticulum | ![]() | 20 |
6599743640 | lysosome | membranous sac of hydrolytic enzymes, which the cell uses to digest unwanted materials | ![]() | 21 |
6599743641 | phagocytosis | the process by which a cell engulfs a solid particle | ![]() | 22 |
6599743642 | autophagy | lysosomes break down damaged organelles | ![]() | 23 |
6599743643 | food vacuoles | formed by phagocytosis, pinches off from plasma membrane and encloses a food particle | ![]() | 24 |
6599743644 | contractile vacuoles | pump excess water out of the cell to maintain a suitable concentration of ions and molecules in the cell | ![]() | 25 |
6599743645 | central vacuole | the largest organelle in a plant cell. It is surrounded by the tonoplast and functions to hold materials and wastes. It also functions to maintain the proper pressure within plant cells | ![]() | 26 |
6599743646 | mitochondria | chemically convert chemical (food) energy into usable ATP energy through cellular respiration | ![]() | 27 |
6599743647 | chloroplasts | contain chlorophyll which help absorb solar energy in order to convert carbon dioxide and water into sugars during photosynthesis | ![]() | 28 |
6599743648 | cristae | infoldings in the inner membrane of the mitochondria | ![]() | 29 |
6599743649 | mitochondrial matrix | compartment of the mitochondrion, enclosed by the inner membrane, contains enzymes and substrates for the citric acid cycle | ![]() | 30 |
6599743650 | plastids | manufacture and store important chemical compounds used by the cell such as pigments, oils, and starches | ![]() | 31 |
6599743651 | thylakoids | flattened and interconnected sacs found in chloroplasts. The light dependent stage of photosynthesis occurs on the membranes of these sacs | ![]() | 32 |
6599743652 | granum | stacks of thylakoids | ![]() | 33 |
6599743653 | stroma | fluid outside the thylakoids, contains chloroplast DNA, ribosomes, and enzymes. The light independent stage of photosynthesis occurs in this area | ![]() | 34 |
6599743654 | cytoskeleton | a network of fibers bracing the cytoplasm | ![]() | 35 |
6599743655 | microtubules | hollow rods of protein, support the cell and moves organelles within the cell | ![]() | 36 |
6599743656 | centrosome | a region located near the nucleus where micro-tubules grow from; important in cell division | ![]() | 37 |
6599743657 | centrioles | cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division | ![]() | 38 |
6599743658 | flagella | a long tail-like structure that aids in cell movement | ![]() | 39 |
6599743659 | cilia | a short hair-like structures that enable movement of cells or movement of materials outside a cell, utilizes a back-and-forth motion | ![]() | 40 |
6599743660 | microfilaments | the thinnest part of the cytoskeleton, are used to give shape to the cell and support all of its internal parts | ![]() | 41 |
6599743661 | actin | a globular protein that makes up microfilaments | ![]() | 42 |
6599743662 | pseudopodia | cellular extensions that enable a cell to crawl along a surface | ![]() | 43 |
6599743663 | cytoplasmic streaming | the circular flow of cytoplasm within cells | ![]() | 44 |
6599743664 | intermediate filaments | diverse class of cytoskeletal elements that bear tension like microfilaments | ![]() | 45 |
6599743665 | cell wall | extracellular structure specific to plant cells, protects the cell, maintains its shape, and prevents excessive water uptake | ![]() | 46 |
6599743666 | primary cell wall | a relatively thin and flexible layer in plant cells, first secreted by a young cell | ![]() | 47 |
6599743667 | middle lamella | a thin layer between primary walls of adjacent cells that glues them together with pectin | ![]() | 48 |
6599743668 | secondary cell wall | a strong and durable matrix in plant cells, often deposited in several laminated layers for cell protection and support | ![]() | 49 |
6599743669 | extracellular matrix | where animal tissue cells are embedded, consists of protein and polysaccharides | ![]() | 50 |
6599743670 | collagen | most common glycoprotein in the ECM, forms strong fibers outside the cells | ![]() | 51 |
6599743671 | plasmodesmata | channels that perforate cell walls, allow for connections between cells in plants | ![]() | 52 |
6599743672 | tight junctions | intercellular junction in animal tissues where plasma membranes of neighboring cells are very tightly pressed against each other, bound by specific proteins | ![]() | 53 |
6599743673 | desmosomes | intercellular junction in animal tissues that function like rivets, fastening cells together into strong sheets | ![]() | 54 |
6599743674 | gap junctions | intercellular junction in animal tissues that provide cytoplasmic channels from one cell to an adjacent cell, similar to plasmodesmata in plants | ![]() | 55 |