Brain of the Cell The nucleus is literally a membrane-bound organelle and is surrounded by a double membrane. I feel that the nucleus is of the greatest importance in the cell because it is the control center that oversees the metabolic functioning of the cell and it directs all the cells activities. The nucleus is like the head of the cell and without a head the rest of the body is useless. It is the largest organelle and within the nucleus is the DNA responsible for providing the cell with its unique
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vesicular nucleus‚ at interphase 2. Undergoing APOPTOSISnotice blebbing 3. Intermediate condensed nucleus 4. Less condensed nucleus 5. Anaphase 6. MOST CONDENSED Condensed/Hyperchromatic Nuclei: heterochromatin predominates low metabolic rate‚ low activity‚ http://studydroid.com/printerFriendlyViewPack.php?packId=62003 http://www.wadsworth.org/chemheme/heme/microscope/lymphocytes.htm Vesicular Nuclei: euchromatin predominates; indicates high metabolic rate/active cell [DNA is extended
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Question: How does mitosis produce new cells‚ and how is mitosis the same and different? Materials: - Compound microscope - Alliums root slide - Whitefish embryo slide - Power supply Procedure: Refer to page 48 and 49 in the textbook. Results: See attached sheet for drawings of my results. Discussion: Analyze and interpret question 1 and 2 on page 49. 1. The cells in the root tip region of the alliums differ quite a bit from the cells that are found deeper in the root. First
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Cells are some of the smallest organisms around. All living things consist of cells‚ and yet they are invisible to the naked eye. Cells are the basic structural and functional units of life. Cells are made up of many different parts which allow them to function properly. All cells are separated from their surrounding by a cell membrane. The cell membrane regulates what enters and leaves the cell and also aids in the protection and support of the cell. A cell membrane
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The Monster Tornado This morning the weather was very bad. Weather forecasters announced that there will be a tornado. I am such a naughty boy so I am unaware of that and I have decided to go in the fields‚ far far away from my hometown. I started my adventure with my dog‚Blaster.He is a cute little dog shepherd‚about 10 years old.He has a cute face‚brown fluffy cheeks and fast‚strong legs.When we reached the fields‚we played and ran.Suddenly I heard something so I turned my head and
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The Nucleus: In the kingdom the nucleus is the king. The nucleus is a membrane-bound organelle found in the center of the cell that contains all of the genetic information‚ and DNA and controls the rest of the cell. To the kingdom the nucleus is the king because of how he controls the kingdom and is responsible for the wealth of the town through his actions. Additionally not all cells have a nucleus. Just as not all kingdoms have a king. The Nuclear Envelope: The nuclear envelope is similar to
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NUCLEUS The positively charged dense central part of an atom. In Biology the term first introduced by Miescher‚ employed to describe a structure round in the cells of with the tissues of animals and plants are composed. In general it is a viscous spherical body containing a structure known as the plasmosome or nucleolus and a tangle of material chromatin characterized by a special affinity for basic dyes‚ usually spherical mass of protoplasm found in the most living cells that directs the activities
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Mitochondria Vacuole Nucleus Cytoplasm Cell Membrane Nucelous Nuclear Envelope Nuclear Pore Lysosomes Microtubles Microtubules- Is a component of the cytoskeleton. Centriole- Aids in cell division and it’s only in animal cells. Lysosomes- Clean-up organelle it digests and breaks down lipids‚ carbs‚ and proteins. Nuclear Pore- Dots on the envelope which allows material in the and out of the nucleus. Cell Membrane- It surrounds the cell and regulates what enters
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up of cells. All living things are composed of basic building blocks of life called cells. Cells are special; they vary in shape and size. Cells can be round‚ square‚ spindle-shaped and star-like (Cells‚ 2017). Cells carry out many roles inside your body. For instance‚ the macrophage is large white blood cells that is part of our immune system and is responsible for locating and eating microscopic foreign bodies. Epithelial cells protect the surface of our bodies as part of the skin. Cells in the
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Yafaa Chaudhary PHYSICS 5 NOTES Physics 5 3.5.1 Radioactivity Evidence for the nucleus Qualitative study for the Rutherford scattering. Rutherford directed a narrow beam of α-particles‚ all of the same kinetic energy‚ in an evacuated container at a thin gold film‚ in order to identify the structure of an atom: The α-particles need to be of the same kinetic energy otherwise slow α-particles would be deflected more than faster α-particles on the same initial path. The container needs to be evacuated
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