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Transcript
Start A M B J I C L H D G K E I am ready for quiz F Please select the letter corresponding to the cell part to know more about it. Cell Membrane It is a thin layer of protein and fat that surrounds the cell. The cell membrane is semipermeable, allowing some substances to pass into the cell and blocking others. Back to Diagram Lysosome It is a round organelles surrounded by a membrane and containing digestive enzymes. This is where the digestion of cell nutrients takes place. It is also called cell vesicles. Back to Diagram Nucleus It is a membrane-bound organelle and is surrounded by a double membrane. It communicates with the surrounding cytosol via numerous nuclear pores. The nucleus houses the DNA which stores genetic information for a cell. The DNA contains instructions for the production of the cell's proteins and for reproduction. Back to Diagram Nucleolus It is an organelle within the nucleus – it is where ribosomal RNA is produced. Some cells have more than one nucleolus. Back to Diagram Nuclear Membrane / Pore It is the membrane that surrounds the nucleus. Back to Diagram Vacuole It is a fluid-filled, membrane surrounded cavities inside a cell. The vacuole fills with food being digested and waste material that is on its way out of the cell. Back to Diagram Mitochondrion It is spherical to rod-shaped organelles with a double membrane. The inner membrane is infolded many times, forming a series of projections (called cristae). The mitochondrion converts the energy stored in glucose into ATP (adenosine triphosphate) for the cell. Back to Diagram Golgi Body A flattened, layered, sac-like organelle that looks like a stack of pancakes and is located near the nucleus. It produces the membranes that surround the lysosomes. The Golgi body packages proteins and carbohydrates into membrane-bound vesicles for "export" from the cell. Back to Diagram Ribosomes Small organelles composed of RNA-rich cytoplasmic granules that are sites of protein synthesis. Back to Diagram Smooth Endoplasmic Reticulum (ER) A vast system of interconnected, membranous, infolded and convoluted tubes that are located in the cell's cytoplasm (the ER is continuous with the outer nuclear membrane). Smooth ER transports materials through the cell. It contains enzymes and produces and digests lipids (fats) and membrane proteins. Back to Diagram Rough ER A vast system of interconnected, membranous, infolded and convoluted sacks that are located in the cell's cytoplasm (the ER is continuous with the outer nuclear membrane). Rough ER is covered with ribosomes that give it a rough appearance. Back to Diagram Cytoplasm The jellylike material outside the cell nucleus in which the organelles are located. Back to Diagram Centrosome A small body located near the nucleus - it has a dense center and radiating tubules. The centrosomes is where microtubules are made. During cell division (mitosis), the centrosome divides and the two parts move to opposite sides of the dividing cell. The centriole is the dense center of the centrosome. Back to Diagram A. I am a thin layer of protein and fat that surround the cell. Nuclear membrane Cell membrane Cytoplasm Back to the question A Next Question B. I am a small body near nucleus where microtubles are made. Lysosome Vacuole Centrosome Back to the question B Next Question C. I am the jelly like material between the nucleus and cell membrane. Cytoplasm Mitochondrion Golgi body Back to the question C Next Question D. I am flattened layered sac-like organelle that packages proteins and carbohydrates. Cytoplasm Mitochondrion Golgi body Back to the question D Next Question E. I am round organelles (cell vesicles) containing digestive enzyme that breaks down food particles Nucleolus Lysosome Vacuole Back to the question E Next Question F. I am the powerhouse of cell converting stored energy into ATP. Nucleolus Ribosome Mitochondrion Back to the question F Next Question G. I am the membrane surrounding the nucleus. Nuclear membrane Cell membrane Cell wall Back to the question G Next Question H. I am within nucleus and ribosomal RNA is made here. Ribosome Vacuole Nucleolus Back to the question H Next Question I. I am small organelles made of RNA – rich cytoplasmic granules where proteins are made. Vacuole Nucleolus Ribosome Back to the question I Next Question J. I am filled with digested food and waste material that is existing the cell. Vacuole Nucleolus Ribosome Back to the question J Back to diagram THE END Start quiz again