How Cancer Cells Differ From Normal‚ Healthy Cells Cancer cells are very different from healthy cells. Healthy cells grow and divide like they are suppose to‚ whereas cancer cells do not grow and divide in a healthy way. So instead of acting in healthy ways as the body needs to function the cells begin to grow in unhealthy ways and affect all other cells. (http://biology.about.com/od/cellbiology/ss/normal-cells-cancer-cells.htm) There are many things that can happen to us that can cause our healthy
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Bacterial cells are Prokaryotic cells. These cells have several internal structures and surface structures. The cell walls are of two types‚ gram positive and gram negative. Out of all the structures‚ the two selected structures are the cell- wall and endospores. The cell- wall of bacterial cells is found in three distinct shapes such as spherical‚ spiral and rod shaped. The cell wall of the bacterial cells is composed of the proteins and polysaccharides. This is collectively called peptidoglycan
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______________________________________ Date: ________________________ Student Exploration: Cell Structure Vocabulary: cell wall‚ centriole‚ chloroplast‚ cytoplasm‚ endoplasmic reticulum‚ Golgi apparatus‚ lysosome‚ mitochondria‚ nuclear envelope‚ nucleolus‚ nucleus‚ organelle‚ plasma membrane‚ plastid‚ ribosome‚ vacuole‚ vesicle Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What are some of the structures inside a cell that help it to live and perform its role in an organism? ____________________________________________________________
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Assessment Activity 4: Create Text: Exercising will burn off fat cells lowering their number and strengthening the walls of the ones that remain. Your food intake will be less as long as you keep exercising. The best way to lose weight is to eat moderately ensure you exercise. Eating less or starving will slacken the fat cells loosening the walls. Your body will lose inches but not fat. As soon as you get hungry again the fat cells will require more food to fill their little stretched boundaries
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el A.) Cell theory : 1.) All organisms are made of cells. 2.) All existing cells are produced by other living thing. 3.) The cell is the most basic unit of life. B.) Contributors to the Cell Theory: People | Information | Hooke | He was the first to identify cells and he also named them. | Leeuwenhoek | He made better lenses so he observed cells in greater detail. | Schledien | He was the first to note that plants are made of cells. | Schwann | He concluded that all living
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PLANT CELL Introduction Plant cell is the basic unit of structure and function in nearly all plants. The range of specialization and the character of association of plant cells are very wide. In the simplest plant forms a single cell constitutes a whole organism and carries out all the life functions. In just slightly more complex forms‚ cells are associated structurally‚ but each cell appears to carry out the fundamental life functions‚ although certain ones may be specialized
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thing that we have in common would be cells. In fact every living thing is composed of cells: plants‚ animals‚ bacteria etc. Cells exist in different shapes and sizes. They also differ depending on the function they have in an organism. To make things simpler‚ cells are categorized into two vast groups: Prokaryotic and Eukaryotic Cells. These two types of cells are different from each other while still sharing some similarities. Eukaryotic and Prokaryotic Cells perform the same functions in the same
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the welfare of children and young people 1.2 Services which work together to safeguard and promote the welfare of children Children’s Social Care Help children who are in need and also if a concern is raised about a child they will decide on the course of action to take. For example carry out and assessment and find out what the child’s needs are and gather all the relevant information that is needed. Police They work with children’s social care to protect children from harm. They
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Olfaction or olfactory perception[1] is the sense of smell. This sense is mediated by specialized sensory cells of the nasal cavity of vertebrates‚ which can be considered analogous to sensory cells of the antennae of invertebrates. In humans‚ olfaction occurs when odorant molecules bind to specific sites on the olfactory receptors. These receptors are used to detect the presence of smell. They come together at the glomerulus‚ a structure which transmits signals to the olfactory bulb (a brain structure directly
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The Cell membrane surrounds all living cells and is the most important organelle‚ there is also a similar plasma membrane that surrounds all the organelles except for the ribosome. The membrane controls how and what substances can move in and out of the cell/organelle The structure of the membrane is often referred to as the “Fluid Mosaic Model”; this is because of the way it is structured It is composed of phospholipids‚ proteins‚ and carbohydrates‚ which are arranged in a fluid
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