Term
List the 3 principal parts of a cell |
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Definition
Cell Membrane
Cytoplasm and Organelles
Nucleus |
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Definition
| The liquid portion of the cytoplasm, nucleus and organelles suspended in this |
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Definition
| smaller particles which perform specific functions |
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| Describe the scructure of the cell membrane |
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Definition
| Composed of a double layer of phospholipid molecules with the hydrophobic portions pointed inward toward each other |
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Definition
| Special structures that hold cells to each other |
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Definition
| Wrap around cell like belt. Fuse that part of cell membrain to adjacent cell membrains, vascular endothelium in brain |
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Definition
| Spot Weld. Button/Thread arrangement. Skin Cells |
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Definition
| Hollow tubes. Pop rivets. Fast movement of solutes between cells. Found in heart cells. |
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Definition
| Latticework of microtubules and microfilaments which support the cell, connect organelles, transport chemicals, and help produce special types of motion |
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| Hollow. Form the structure in cilia, flagellae, and mitotic spindles. Protein Tubulin |
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Definition
| Solid. Often havce the capability to contract. Muscle cells filled with them. Protein Actin |
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Definition
| Vesicles filled with powerful digestive enzymes. Digests the food in food vacuoles. Also helps cell get rid of worn-out organelles |
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| Membranous organelles(vesicles) containing several specivic enzymes that change toxins into harmless substances. |
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Term
| What is the function of peroxisomes |
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Definition
| To detoxify poisons such as alcohol |
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Definition
| Membranous organelles which produce the energy needed by our cells. Have 2 layers of membrane, inner membrane folded to form Cristae |
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Term
| What is the function of mitochondria |
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Definition
| Break down glucose to release the energy needed by our bodies |
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Definition
| large areas of folded membrane in a cell |
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Term
| What are the 2 types of Endoplasmic Reticulum |
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Definition
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Definition
| A stack of flattened sacs made of membrane. its function is to concentrate and package protein for secration from the cell |
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Term
| Describe the structure of the nucleus |
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Definition
| Enclosed by two membranes known collectively as the nuclear membrane or envelope |
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Definition
| the openings which connect the interior of the nucleus to the outside |
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Definition
| Thin strands of DNA inside the nuclear membrane |
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Definition
| Dark-staining mass inside the nuclear membrane that forms ribosomes |
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| No energy required of cell |
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Definition
| movement from area of high to low concentration |
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Definition
| Special case of diffusion. movement of water across membrane |
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Definition
| Carrier molecules, movement of glucose into cells |
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Definition
| Hydrostatic pressure(BP in renal blood) Kidneys |
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Definition
| Cell vesicles fuse with cell memrane release contents to outside of cell |
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Definition
| Cell vesicles fuse with cell memrane release contents to outside of cell |
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Definition
| Cell vesicles fuse with cell memrane release contents to outside of cell |
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Definition
| endocytosis & exocytosis to move something thru a cell Ex. HIV crossing cell layers |
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Definition
| A pattern of growth and division that most cells go through |
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Definition
| When the cell is busy with activities other than mitosis |
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Term
| What are the parts of the cell cycle |
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Definition
Interphase
Nuclear Division (mitosis or meiosis)
Cytokinesis (cell splits in two) |
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Definition
| Two sets of divisions. Daughter cells are haploid |
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Definition
| the daughter cells are diploid |
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Term
| What happens to the meiosis daughter cells? |
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Definition
| Most become sex cells-sperm or eggs |
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