SCI 2020 Study Guide for Exam 1 on September 14‚ 2012 Ch. 14 How did reading books by Lyell and Malthus influence Darwin’s development of the theory of evolution? - From Lyell‚ Darwin saw that species gradually changed over time o Example: the Finches - From Malthus‚ Darwin perceived the idea of natural selection o Survival of the fittest o Those species that possessed physical‚ behavioral or other attributes survived over those who didn’t
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UNIT 1 VIRUSES AND SUBVIRUSES PRE-READING AND READING TASKS 1. Make sure you know the following words: to interfere with ["Intq’fIq] мешать‚ вредить inscrutable [In’skru:tqb(q)l] загадочный‚ непостижимый entity [’entItI] сущность‚ существо‚ организм to overpower ["qVvq’paVq] подавлять machinery [mq’Si:n(q)rI] структура intact [In’txkt] нетронутый‚ неповрежденный‚ целый crucial [’kru:S(q)l] решающий‚ критический to impart [Im’pQ:t] придавать‚ сообщать to promote [prq’mqVt] способствовать‚ помогать
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considered some of the oldest species of organisms on Earth. The Bacteria Domain consists of: being prokaryotic‚ consisting of prokaryotic in their membranes and bacterial rRNA‚ and no nuclear membrane. The Archaea Eukarya Domain consists of: being eukaryotic‚ and having a nuclear membrane. In a five-kingdom system‚ living organisms are subdivided into five major kingdoms‚ including the Monera‚ the Protista‚ the Fungi‚ the Plantae‚ and the Animalia. Each kingdom is further subdivided into separate phyla
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Chapter 1 Introduction: Themes in the Study of Life Lecture Outline Overview: Inquiring About the World of Life • Organisms are adapted to the environments they live in. • These adaptations are the result of evolution‚ the fundamental organizing principle of biology. • Posing questions about the living world and seeking science-based answers are the central activities of biology‚ the scientific study of life. • Biologists ask a wide variety of ambitious questions
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separated from the rest of the cell. Prokaryotes are cells that do not contain nuclei. They have genetic material that is not contained in a nucleus. Section72: An organelle is a specialized structure that performs important cellular functions within an eukaryotic cell. A plant cell has a cell wall and a cell membrane while a animal cell has just a cell membrane. Organelles: Nucleus: Contains nearly all the cell’s DNA & with it the coded instructions for making proteins & other important molecules
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cells. To begin with‚ both animal and plant cells are eukaryotic cells. This means that both cells have the same internal features‚ such as a cell membrane‚ a nucleus‚ mitochondria‚ and an endoplasmic reticulum. Both animal and plant cells contain a nucleus‚ as well as more than one chromosome. They are usually multicellular‚ and contain a true membrane bound nucleus. Plant and animal cells have all these features because they are both eukaryotic. Another similarity between plant and animal cells
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have fur on their feet to help them move around in the sandy Sahara. The characteristics of life can be applied to all living things‚ even small animals such as the fennec fox. Fennec foxes are multicellular organisms and have different levels of cellular organization. The cells of fennec foxes are eukaryotic‚ meaning their DNA is closed in a nucleus. Their cells make tissue‚ which makes organs‚ then organ systems‚ and finally the fennec fox itself. While a fennec fox does not have any
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DEVON (20s) makes his way through the trees. He sees a bulldozer cover a massive pit filled with thousands of dead animals. Suddenly‚ a bullet hits a rock by his head. Devon makes a run for it as bullets continue to fly at him. A helicopter cuts off his path. Devon stops and raises his arms. He sends streams of energy out of them‚ eviscerating the men and the helicopter. He vanishes and reappears on the highway. A truck heads straight towards him and passes through him. The driver stops and Devon
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Section One : In the discipline known as taxonomy‚ scientists classify organisms and assign each organism a universally accepted name. The first part of the scientific name—in this case‚Ursus—is the genus to which the organism belongs. Agenus(JEE-nus; plural: genera‚ JEN-ur-uh) is a group of closely related species. Linnaeus’s hierarchical system of classification includes seven levels. They are—from smallest to largest—species‚ genus‚ family‚ order‚ class‚ phylum‚ and kingdom
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Study Guide Chapter 11: How Genes are Controlled I. How and Why Genes are Regulated? A. Gene Expression in Differentiated Cells 1. What does it mean to say that the cells in your body are differentiated? It means that the cells in the body are specialized to do certain tasks with some genes in a cell turned off and some genes in the cell turned on. 2. The great differences among cell types is due to the selective expression of its genes
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