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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– The cell replicates its single chromosome – The chromosome copies move apart – The cell elongates – The plasma membrane grows inward‚ dividing the parent into two daughter cells THE EUKARYOTIC CELL CYCLE AND MITOSIS 8.4 The large‚ complex chromosomes of eukaryotes duplicate with each cell division • Eukaryotic genes – Many more
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Embryos Survive Stem Cell Harvest Pg. 2 Embryos Survive Stem Cell Harvest Pg. 2 Prevent skin cancer cause by the UV rays with the new Eucerin sun block cream protector Prevent skin cancer cause by the UV rays with the new Eucerin sun block cream protector November‚ 2012 issue November‚ 2012 issue The CELL-O Magazine by mariana carroll and esteban cruz The CELL-O Magazine by mariana carroll and esteban cruz Pg 4 How to prevent cancer? There are a lot of ways to
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Title of assignment: Question booklet LEARNING OUTCOMES ASSESSMENT CRITERIA Level Achieved The learner will: The learner can: Met ()/Not Met(x) 5. Understand the nature of growth and reproductive processes 5.1 explain the role of mitosis and meiosis in growth and reproduction 5.2 discuss the factors which influence growth and reproduction 5.3 explain the roles played by cell multiplication‚ differentiation‚ reorganisation and maturation in growth and reproduction Yes Yes
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rest of the cell cycle and goes through the G2 phase where the cell prepares for mitosis. Mitosis is the process of division of cells in the cell cycle known as the M phase‚ this is how the cells in our body divides and grow. As the cell continues through the cell cycle to the M phase‚ here the cells goes through the stages of Mitosis and as the result it produces two diploid cells. Not every cell goes through Mitosis immediately‚ the cells need to either be told to prepare for division or it senses
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(prokaryotic)‚ the cell cycle occurs via a process termed binary fission. In cells with a nucleus (eukaryotes)‚ the cell cycle can be divided in two brief periods: interphase—during which the cell grows‚ accumulating nutrients needed for mitosis and duplicating its DNA—and the mitosis (M) phase‚ during which the cell splits itself into two distinct cells‚ often called "daughter cells". The cell-division cycle is a vital process by which a single-celled fertilized egg develops into a mature organism‚ as well
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- eukaryotic cell division - dominant - mitosis - recessive - meiosis - homozygous - heterozygous - incomplete dominance - codominance - pure bred - hybrid - monohybrid cross 2. Make sure you know all there is to know about MITOSIS & MEIOSIS: (Reference: Jacplus Yr 10 Textbook‚ Section 2.4 “Dividing to Multiply”) Study the MITOSIS & MEIOSIS DIAGRAMS in this section. You should be able to tell the DIFFERENCES between MITOSIS and MEIOSIS. 3. - Goto the Yr 10 SCIENCE
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