"Specializations and adaptations of the organelles and cellular structures" Essays and Research Papers

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    Cell organelles

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    Cell Organelles Nucleus Its function is to control the cell’s activities and retain the chromosomes.  The nucleus is bound by a double membrane‚ the nuclear envelope. The nuclear envelope has pores in it to allow the transport of mRNA.  The cytoplasm like material is called nucleoplasm which contains chromatin (coils of DNA and histone proteins)‚ it is chromatin that condenses to form chromosomes during cell division.  Within the nucleus is a small spherical body called the nucleolus which

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    Biology Organelles

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    Prokaryotic Cell Eukaryotic Cell The division amongst prokaryotes and eukaryotes is considered to be the most significant difference among groups of organisms. Eukaryotic cells contain membrane-bound organelles‚ such as the nucleus‚ while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts‚ the cell wall‚ and the arrangement of chromosomal DNA. Prokaryotes were the only form of life on Earth for millions

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    specialization

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    Project Quality Management What is a project? A friend may say‚ “I’m going to clean the garage this weekend‚ it’s going to be a real project. Your boss come to you on that clean‚ sunny day afternoon and says”‚ I have a small project for you that you should be able to finish by the close of the business. What do all those projects have in common? They all have the essential elements: A project is temporary A project is undertakings and it has temporary in nature; that means has a clearly defined

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    Cell Organelles

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    The studies of Robert Hooke 1665 into a plant material would allow the determination of a pore like regular structure surrounded by a wall of which he called ‘cells’ this in itself unbeknownst to him‚ was the discovery of the fundamental unit of all living things. In 1838 a botanist called Schleiden derived the theory ‘The basic unit of structure and function of all living organisms is the cell.’ Over 150 years later this can be regarded as one of the most familiar and important facts within the

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    Nucleus Organelles

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    the type of cell. Nucleus‚ also known as “the brain” of the cell‚ contains most of the genetic material of the cell‚ called DNA‚ and is responsible for controlling the cells function. The nucleus is the largest organelle. It occupies 10% of the total volume of the cell. The large structure of the nucleus‚ allows it to maintain more information and genetic material. The nucleus is surrounded by a nuclear envelope‚ made up of a double membrane which controls what enters and leaves the nucleus. The

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    Organelle Functions

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    ANIMAL CELL MODEL ORGANELLE FUNCTIONS Cell membrane: Separating the interior of the cell from the outside environment‚ the cell wall is selectively permeable‚ only letting certain things through. It is involved in a variety of cellular processes‚ such as cell adhesion and cell signalling. Cytoplasm: The fluid that fills the cell‚ cytoplasm uses its dissolved enzymes to break down larger molecules. The products can then be used by the organelles that are suspended in the cytoplasm. Cytoskeleton:

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    Each cell can be regarded as a metabolic compartment‚ as separate place where the chemical processes of that cell occur‚ the cell is made up of different organelles each specifically designed to carry out their function‚ and this is known as a cells ultrastrucure. All cells have a cell surface membrane; these are made up of phospholipids and make up a bilayer. A phospholipid has a hydrophilic head and a hydrophobic tail which is made up of 2 fatty acid chains; these are arranged is two layers with

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    Organelles and Hormones

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    Question: Describe five different organelles and their functions. Explain the similarity and differences between eukaryotic cells and prokaryotic. All eukaryotic cells‚ whether from animals‚ plants‚ protists‚ and fungi‚ are fundamentally similar to one another but different from prokaryotic cell. A eukaryotic cell contains various other organelles‚ which perform specific functions in the cell. These organelles can be organized into few basic functional groups such as genetic control‚ distribution

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    DATE: 2011/09/27 LAB NO.: 4 SYLLABUS TOPIC: Cellular structure AIM: To draw a tissue map of a dicotyledonous root. APPARATUS AND MATERIALS: Microscope‚ slides of the dicotyledonous root‚ and drawing materials such as pencils‚ ruler‚ and an eraser. METHOD/PROCEDURE: -The microscope was set on the tabletop (a flat‚ sturdy surface) where there was plenty of room to work with and was plugged into a power source. -The slide of the specimen (dicotyledonous root) was placed onto the stage of the

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    Areas of Specialization

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    Areas of Specialization |Number |Subjects of study in psychology |Areas of specialization in |Definition and key points of this |Rationale (reason why you matched |Possible research method of study| | | |psychology (match with below |specialization (be sure to use |this subject of study with this |(experimental‚ correlational‚ | | | |options)

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