Poem – Horatio Nelson – Guy Head (1798-1799) In the prosperous lands of the Norfolk‚ a boy was conceived‚ one of eleven. Importance would be bestowed upon the bloke and he would earn a place in heaven and in the heart of his kinsmen For Horatio Nelson was born for the sea‚ and early he began his naval career. However his importance‚ no one could foresee except that a ship’s wheel he would steer‚ and the love for his King and his Kingdom. Known for his unconventional tactics of
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Theories about Interpersonal Dynamics A good theory is simple and testable‚ and it is not isolated from our daily life. Based on the theories I have learned from the previous weeks‚ I found out that theories are applying in our daily life and related to the relationship with people‚ I would like to discuss the theories about interpersonal dynamics which is consisted of two theories: interactional theory and dialectical theory. Interactional theory is defined as a communication system in which
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Robert Hooke first looked at a thin slice of cork in 1665; he saw "a lot of little boxes." These little boxes first reminded of the little rooms monks lived in‚ so he called them cells. Hooke observed the same pattern in the stems and roots of carrots and other plants. What Hooke still did not know‚ however‚ was that cells are the basic units of living things. Ten years later‚ the Dutch scientist Anton van Leeuwenhoek focused a microscope on what seemed to be clear pond water and discovered a wondrous
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3.1 Cell Theory KEY CONCEPT Cells are the Basic unit of life. 3.1 Cell Theory 3.1 Objectives Describe developments that led to the cell theory. Differentiate between eukaryotic and prokaryotic cells. 3.1 Cell Theory The cell theory grew out of the work of many scientists and improvements in the microscope. • Many scientists contributed to the cell theory. 3.1 Cell Theory The cell theory grew out of the work of many scientists and improvements in the microscope. • Many scientists
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So Important About Cells? Cells are the most basic building block of all life as we know it. But what makes cells extremely important to living organisms‚ and why do we need cells anyway? A cell is “a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and‚ in plants‚ a cell wall; the basic structural unit of all organisms.” But what makes cells extremely important to living organisms‚ and why do we need cells anyway? Cells are made of
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Biology Notes 1. Organisms are made of cells that have similar structural characteristics. 1 Outline the historical development of the cell theory‚ in particular the contributions of Robert Hooke and Robert Brown. The development of the cell theory starts in the 1600ʼs with Robert Hookeʼs discovery of cells when viewing a piece of cork under a microscope and describing them as a nun house. Anton van Leeuwenhoek was crucial in the development of microscopes making simple microscopes through advanced
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Cells‚ Cell Division‚ and Cell Specialization Fundamentally Different Types of Cell Prokaryotic Cell- single celled: only DNA+ structure (“before nucleus”) E.g. zygote-complete DNA Eukaryotic Cell-multi-celled (“after nucleus”) Prokaryotes Eukaryotes DNA In “nucleoid” region Within membrane-bound nucleus Chromosomes Single‚ circular Multiple‚ linear Organelles None Membrane-bound organelles Size Usually smaller Usually larger- 50 times Organization Usually single-celled Often multicellular
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most people know about cancer is that it can be deadly and it’s mostly related to someone losing their hair. But‚ beyond that cancer is a tricky subject. Why? Because no one really knows how cancer is created. Could it be possible‚ that cancer cells have the same characteristics as normal stem cells and that is why they grow and invade rapidly? And if so can scientist and doctors use this information to find a permanent cure or a better way to stop cancer? The vague knowledge about how cancer is formed
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they wrote a news article about what these
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microscopic objects such as cells. The first to accomplish this was Robert Hooke when he used a light microscope to observe a thin slice of cork. Hooke observed that the cork was made of tiny structures of which he called cells. Hooke was in fact looking at the cell walls of dead plant cells that make up the cork. After Hooke‚ a Dutch scientist named Anton van Leeuwenhoek used the light microscope to observe living cells inside stagnant rain water. This then developed the cell theory in which all living
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