concepts of the cell theory b. Identify the parts of a cell c. Describe the function of each cell part d. Differentiate prokaryotic from eukaryotic cells e. Compare plant and animal cells A. The Cell Theory - structurally made up of 1. What are living things made of? cells. - 2. What can cells do? 3. Where do cells come from? All living things are The cell is the fundamental unit of life. - Cells come from the division of pre-existing cells. B. Cell Structure
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The Shaking Palsy and The Stem Cell INTRODUCTION 1- Parkinsonism is a clinical syndrome characterized by at least two of four cardinal features: bradykinesia (slowness and minimal movement)‚ rigidity‚ resting tremor (trembling)‚ and an impairment of postural balance leading to disturbance of gait and falling. The most common type of parkinsonism is idiopathic Parkinson’s disease (PD)‚ first described in an essay by James Parkinson‚ an English physician‚ in 1817 as paralysis agitans (the shaking
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Cord Blood Cells. Today medicine has reached great success in the treatment and prevention of many illnesses. Currently‚ scientists and doctors are paying more attention to technology of cells. Cord blood is the blood that remains in a newborn’s umbilical cord after birth. Cord blood‚ like bone marrow‚ is an invaluable source of a type of stem cell that can be used in a variety of medical treatments. New parents now have the option of taking an active role in treating future illness much like a
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and breast cancer stem cells Within a tumor exists a subpopulation of cells that present less abnormal characteristics; however‚ there exists another type that hold the potential to recreate and expand tumor mass. The latter share similar characteristics to normal stem cells‚ which are the unlimited ability to self-renew and the ability to maintain undifferentiated. Over the course of time‚ these cells will differentiate into tumor stem cells (TSC) or tumor-initiating cells with stem-like properties
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Therapeutic Cloning to Obtain Embryonic Stem Cells Is Immoral "The point is to cause each of us to think deeply about whether there is any essential difference between the reality of [World War II] Nazi experiments and ’therapeutic cloning.’" In this two-part viewpoint‚ David A. Prentice and William Saunders discuss the science and the ethics of therapeutic cloning. In the first part‚ Prentice argues that creating clones for the purpose of embryonic stem cell research‚ called "therapeutic cloning
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day I got my transplant was‚ by oncology standards‚ relatively normal. It started with an ambulance ride from CHOP to HUP for my final round of radiation. After the radiation‚ I returned to my hospital room and waited. Finally‚ a bag of bright red stem cells collected from the veins of my donor came up from the lab and a nurse attached them to a catheter that was surgically implanted in my chest. The moment that I had been waiting for had arrived.
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Did Obama Open the Door to Human Cloning with his Stem Cell Order? Retrieved from: http://www.usnews.com/news/religion/articles/2009/03/24/did-obama-open-the-door-to-human-cloning-with-his-stem-cell-order Jones‚ N.(28 ‚Novemeber 2001) Human Cloning – Embroyo Style : Delveriance Retreived from: http://cbhd.org/content/human-cloning-embryo-style-deliverance-or-captivity Mickie ‚R. (2012‚ January22) Cloning Scientist create human brain cells Retreived from: http://www.guardian.co.uk/sc
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Degeneration in Aged Telomerase-deficient Mice Jaskelioff et al.‚ Nature‚ January 2011 This study looked at the effects of telomerase activation on the tissues of prematurely-aged adult mice. The telomerase enzyme‚ TERT-ER‚ is not expressed in the cells of these mice. The group induced (turned on) expression of TERT-ER by exposing mice to the compound 4-OHT‚ 4-hydroxytamoxifen (see definitions on next page). This treatment rebuilt the telomeres in the mice that had been damaged with age‚ as well
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cloning is embryonic stem cells for experiments to replace injuries or diseased cells. Cloning can be used for many reasons such as medical research‚ endangered or extinct species could be recreated‚ reproducing a loved pet that is deceased‚ cloning livestock for a higher quality milk or meat‚ and also
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G/K73294/Jan12/BLY2F 3 Answer all questions in the spaces provided. Do not write outside the box 1 The diagrams show four cells‚ A‚ B‚ C and D. A Mitochondrion B Chloroplast C D Cell membrane Nucleus Use letters A‚ B‚ C or D to answer these questions. 1 (a) Which cell can photosynthesise? (1 mark) 1 (b) Which cell is adapted for receiving and sending information? (1 mark) 1 (c) Which cell is adapted to respire quickly? (1 mark) ____ 3 Turn over for the next question Turn over (03) G/K73294/Jan12/BLY2F
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