1334694
Beschreibung
Karteikarten von daleenmehrez1, aktualisiert more than 1 year ago
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Erstellt von daleenmehrez1
vor etwa 10 Jahre
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| Frage | Antworten |
| PLASMA MEMBRANE | OUTERMOST LAYER OF AN ANIMAL CELL AND LIES WITHING THE CELL WALL OF PLANT. PHOSPHILID BILAYER MADE ALMOST ENTIRELY OF PROTEINS AND LIPIDS, WITH A SMALL AMOUNT OF CARBOHYDRATES. IT HAS SELECTIVE PERMEABILITY ONLY ALLOWING SOME SUBSTANCES TO PASS THROUGH IT. LIPID SOLUBLE SOLUTES AND SMALL MOLECULES CAN MOVE QUICKLY THROUGH IT. |
| LYSOSOME | KEY FEATURES MEMBRANE BOUND ED ORGANELLES FOUND IN BOTH ANIMAL AND PLANT CELLS. THEY CONTAIN DIGESTIVE ENZYMES. FUNCTION PACKAGES WASTE AND CELL IMPORTS/EXPORTS. CONTAINS ENZYMES TO EITHER DIGEST PLANT MATERIAL FROM OUTSIDE THE CELL, DEGRADE OLD ORGANELLES, OR PACKAGE PROTEINS FOR EXPORT FROM CELL. |
| NUCLEUS | KEY FEATURES SPHERICAL IN SHAPE MEMBRANE BOUND FUNCTION REGULATES CELL ACTIVITY. CONTAINS GENETIC MATERIAL DNA |
| GOLGI BODY | KEY FEATURES FOUND IN BOTH ANIMAL AND PLANT CELLS. APPEAR AS SEVERAL FLATTENED SAC LIKE MEMBRANES (CISTERNAE) THAT LOOK LIKE A STACK OF PANCAKES FUNCTION PROCESS AND PACKAGE MACROMOLECULES SUCH AS PROTEINS AND LIPIDS . FOUND IN HIGH NUMBERS IN CELLS WITH A SECRETORY FUNCTION (CELLS THAT PROCESS PROTEINS FOR SECRETION) |
| ENDOPLASMIC RETICULUM | KEY FEATURES COMPLEX NETWORK OF INTERCONNECTED FLATTENED TUBES CALLED CISTERNAE. FUNCTION ROUGH: RIBOSOMES PRESENT. COMMON IN SECRETORY CELLS (WBC DIGESTIVE CELLS) SMOOTH: NO RIBOSOMES IT PRODUCED. IT PRODUCES STEROIDS// HORMONES AND STORES CALCIUM IONS. |
| RIBOSOMES | KEY FEATURES RIBOSOMES ARE FOUND IN FREE CELL CYTOPLASM AND ALSO ATTATCHED TO ROUGH ENDOPLASMIC RETICULUM. FUNCTION SITE OF PROTEIN SYNTHESIS. THEY RECIEVE INSTRUCTIONS FROM THE DNA IN THE NUCLEUS. THIS INFORMATION IS TRANSLATED AND AMINO ACIDS FROM THE CYTOPLASM ARE USED TO CONSTRUCT PROTEINS. |
| MITOCHONDRION | KEY FEATURES ROD SHAPED DOUBLE MEMBRANED ORGANELLE. THE INNER IS FOLDED AND ORGANISED INTO LAYERS, CALLED CRISTAE- INCREASING IN S.A. FUNCTION SITE OF CELLULAR RESPIRATION- THE PRODUCTION OF ENERGY IN THE FORM OF ADENOSENE TRIPHOSPHATE (ATP) FROM GLUCOSE. ABUNDANT IN CELLS WITH HIGH ENERGY NEEDS (MUSCLE CELLS ETC.) |
| LARGE VACUOLE | KEY FEATURES PROMINENT, MEMBRANE BOUND COMPARTMENT IN PANT CELLS. SMALLER IN ANIMAL CELLS. FUNCTION SERVES A VARIETY OF SECRETORY, EXCRETORY AND STORAGE FUNCTIONS. GIVES THE PLANT CELL STRUCTURE AND SUPPORT WHEN TURGID AND RESULTS IN TIGHTLY PACKED CELLS. |
| CELL WALL | KEY FEATURE A SEMI RIGID LAYER ON THE OUTSIDE OF THE CELL. IT IS COMPOSED OF CELLULOSE. FUNCTION PROVIDES SUPPORT FOR CELL AND ENTIRE PLANT. |
| CHLOROPLAST | KEY FEATURES SURROUNDED BY A THIN DOUBLE WALLED SEMI PERMEABLE MEMBRANE. IN THE LAYERED STACKS ARE SHAPED THYLAKOIDS THEY CONTAIN LIGHT ABSORBENT PIGMENT CHLOROPHYLL. FUNCTION ABSORB LIGHT ENERGY AND SPLIT WATER TO MAKE SUGARS VIA PHOTOSYNTHESIS |
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