Chapter 3: Cell Structure Notes The cell is the basic unit of biologic organization of the human body Protoplasm: an aqueous colloidal solution of carbohydrates‚ proteins‚ lipids‚ nucleic acids‚ and inorganic salts surrounded by a limiting cell membrane Cells in our respiratory tract produce mucus to trap dust and microorganisms that get past the hairs in our nose then move the material to our throat to be swallowed and passed out through the digestive system The most prominent structure in the
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Somatic Cell Transfer is a scientific laboratory technology during which there is the fusion of the entire nucleus of a non-reproductive cell (somatic cell) and its entire nuclear DNA content‚ with the cell of a reproductive cell (germ cell) whose nucleus has been removed; called an enucleated cell‚ allowing the host cell to program the inserted nucleus from the somatic cell‚ and then triggering the reproductive cell with its new DNA content to undergo cell mitotic division in a cell culture.
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events of mitosis and meiosis in a plant cell or an animal cell. The relative duration of each stage in the cell cycle will also be learned during this lab. By doing this lab we will also create a model of and understand the process of crossing over. This lab also helps students understand the similarities along with differences between mitosis and meiosis. Hypothesis: I predict that interphase will be the longest phase because many events such as a cell growth and chromosome replication occur
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Structures and processes involved in the movement of substances into and out of cells. Epithelial cells – Epithelial cells are also referred to as eukaryotic cells. These types of cells have a unique nucleus and contain membrane-bounded organelles. Epithelial cells absorb and secrete‚ and the structures of a cells organelles can be viewed from an electron microscope. The nucleus – the nucleus of a cell contains most of the cell’s genetic material‚ organized as multiple long linear DNA molecules
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What phase is this cell undergoing? Telophase 2. What happens after this phase? Cytokinesis 1. The two center side-by-side cells are undergoing two different phases of mitosis. a. What are these phases? Prophase & Metaphase b. What diagnostic features can help you with your decision? The cell under going prophase is starting to lose it’s envelope yet the cell is still very much intact. The cell under going metaphase has spindle fibers all around the cell suggesting its in the
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What term describes a harmless noncancerous or precancerous tumor? Student Response Value A. malignant B. benign 100% C. metastatic D. lymphatic E. carcinogenic Score: 1/1 2. What is the name of the process by which cancer cells break off of tumors and spread to other parts of the body? Student Response Value A. carcinogenesis B. mutagenesis C. angiogenesis D. metastasis 100% E. mitosis Score: 1/1 3. Consider a strand of DNA with the sequence GAATTCGGCA
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frequency as well as each of the different steps and their time duration. It was found that the interphase stage of both mitosis and meiosis was the longest of all the stages as this was where most of the ‘action’ was happening such as cell growth and duplication of all cell organelles and chromosome replication also. It was also found that mitosis and meiosis have similar stages‚ however‚ they also have a lot of differences such as the end result and what is happening throughout each stage. INTRODUCTION
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identical to themselves. This has to happen because if a species were not able to reproduce‚ that species would quickly become extinct. Reproduction consists of a basic pattern: the conversion by a parent organism of raw materials into offspring or cells that will later develop into offspring. The reproductive process‚ whether asexual or sexual always involves an exchange in hereditary material from the parents so that the new organism may also be able to reproduce. Reproductive processes can be categorized
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#2) Both Winner and Joy explore the issue of technology and control. How would you compare their two views of current technological development? Focus the comparison on a specific technology‚ such as genetically modified organisms. Technology is always in need of control. You cannot have a world that technology is in control such as the movie Terminator‚ where technology takes over. Just like human beings there is always a need for control. Both Winner and Joy explore this topic; Joy believes
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Rubric Teacher Name: Venecia Stewart Student Name: ________________________________________ Directions: Create a booklet or brochure describing the processes of mitosis and meiosis or the cell cycle control system. Make sure that you provide pictures of each phase. If you choose to do the cell cycle‚ make sure that you include the checkpoints as well as descriptions of each phase. Due March 22‚ 2013. CATEGORY 4 (25-20) pts 3 (19-15) pts 2 (14-10) pts 1 (9-0) pts Content - Accuracy All
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