umbilical cords rather than human embryos. Suggest one reason why. because it is more ethical this way (1) (c) Stem cells divide by mitosis. Gametes are formed by meiosis. Give two differences between mitosis and meiosis. 1 in mitosis the resulting cells of the divsions are clones of the original cell 2 meosis occurs in plants animals and fungi mitosis only occurs in humans. (2) (Total 5 marks) Q2. Read the information about stem cells. Stem cells are used to treat some human diseases
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Unit 2 Lecture Study Guide – 1) What are the parts of an atom? Where are the subatomic particles found? a) Protons‚ neutrons‚ and electrons b) Protons and neutrons are located in the center of an atom in the nucleus and the electrons are located around the nucleus. 2) How does the Atomic Mass # differ from the Atomic #? The atomic mass number is the sum of the number of protons and neutrons in the nucleus of an element and the atomic number is the number of protons that it has. 3)
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organelles in Eukaryotic cell‚ using protein synthesis and transportation within cells…….…………………04 1.3 Explain the role of different types of transporters in cell membrane……………....07 Task 02 2.1 Explain how in each stage of Interphase‚ mitosis and controlling agents involved to contribute to the formation of identical cells………………….12 2.2 The importance of apoptosis pathway in liver cells………………………………..15 Reference………………………………………………………………………………...17 Task 01 1
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Members of the Kingdom Plantae share both similarities and differences with members of the Kingdom Animalia. These differences can largely be categorized under the titles cell biology‚ cell growth‚ physiology‚ and development. Regarding cell biology‚ it is important to understand that both categorize their cells as eukaryotic. The Encyclopedia Britannica defines eukaryotes as “any cell or organism that possesses a clearly defined nucleus”. While both cells have a nucleus‚ cytoplasm‚ ribosomes‚ mitochondria
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----------------------- Integrated Lesson Plan: Mitosis & Meiosis • The constructivist model of my Mitosis vs. Meiosis Lesson satisfies all three of the Science & Technology competencies for the Cycle one Secondary level. Its affirmation that knowledge is a construction of the human mind and is acquired based on previous experiences is complementary to the required competencies that must be met in the S&T profile of the QEP. 1. Seeks answers or solution to scientific and technological
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reproduction is reproductive process that involves only one parent and produces off spring that are identical to the parent. Eukaryotes use mitosis which is a cell cycle during which the cell’s nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell. There is technically six stages of mitosis. Eventually‚ during the mitosis stages the nucleus exchanges its information and the cell splits apart to make a new
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PRACTICAL 3 QUESTIONS PART 1 Q 1. What is the diameter of the field of view of your microscope using the x10 objective (i.e. at a magnification of x100)? The diameter of the field of view using the x10 objective is 1800 µm. Q 2. What is the diameter of the field of view of your microscope using the x40 objective (i.e. at a magnification of x400)? The diameter of the field of view using the x40 objective is 400 µm. Q 3. What is the ratio of magnification between the x10 and x40 objectives?
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Mitosis and meiosis are the two major processes by which eukaryotic cells reproduce. Compare and contrast the processes of mitosis and meiosis. Consider the stages involved in each and their eventual products. How are the differences biologically significant relative to growth and reproduction? Be prepared to discuss how life is dependent upon both types of cellular reproduction. Mitosis is equal division of a cell and Meiosis is specialized type of cell division of chromosomes within a cell
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Unit 3 Growth & Heredity Exam Review & Study Guide WHAT SHOULD I KNOW ABOUT… DNA STRUCTURE‚ DNA REPLICATION‚ Tx‚ Tl‚ MUTATIONS‚ CELL CYCLE‚ MITOSIS‚ MEIOSIS‚ MENDELIAN GENETICS Review/Use the following: Vocab lists‚ ISN Pages‚ Practice Questions‚ Lectures‚ Book Chapters 12‚ 9‚ 10 DNA STRUCTURE 1. What role did Rosalyn Franklin play in our understanding of DNA’s structure? She discovered the double-helix position of the DNA. 2. What role did James Watson & Francis Crick play in our understanding
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PATTERNS IN NATURE – Summary Notes 1. ORGANISMS ARE MADE OF CELLS THAT HAVE SIMILAR STRUCTURAL CHARACTERISTICS 1.1 Outline the historical development of the cell theory‚ in particular‚ the contributions of Robert Hooke and Robert Brown The Cell Theory states that: All living things are made of cells (Theodor Schwann & Matthias Schleiden) Cells are the basic structural and functional unit of organisms (Theodor Schwann) All cells come from pre-existing cells (Rudolf Virchow) The historical
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