Introduction to Biology I (BIO 111) Natural Sciences Division Tougaloo College Fall 2014 INSTRUCTOR INFORMATION Instructor Email Dr. Scharri Ezell Walker SEWalker.tougaloo@gmail.com SWalker@tougaloo.edu 601.977.7780 (Office) 731.31.DrSEW (731.313.7739) (Cell) Tuesday‚ 8AM-12PM Kincheloe Hall‚ K122 Phone Office Hours COURSE DESCRIPTION A comprehensive treatment of the major principles of modern biology. Topics include: cell structure‚ cell membrane‚ metabolism‚ cellular respiration‚ photosynthesis
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blastopore development) Only Cnidaria (sponges) and Ctenophora are diploblasty 32.4 The roots of the Animal Tree of Life 32.4.1 Metazoans appear to have evolved from colonial protists Evidence: Multicellular Colonial flagellated hypothesis 32.4.2 Molecular analysis may explain the Cambrian explosion Result of Cambrian explosion Emergence of new body plans Evolution of predation Developing in body part because of Hox genes Ex‚ leg‚ thorax‚ antennae 32.3.2 Animal Phyla with the Most Species
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In this essay‚ it will be discussed how the Kinetic Molecular Theory explains many gas law specifically Boyle’s gas law‚ Charles’ gas law‚ and Avogadro’s gas law. To understand what will be talked about is to first know what the Kinetic Molecular Theory is. In our textbook is says it is “A simple model for gases that predicts the behavior of most gases under many conditions.” First off‚ we will take a look at Boyle’s Law. As stated in our lab manual “at constant temperature the pressure which a given
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DIVISION RESULS IN GENETICALLY IDENTICAL DAUGHTER CELLS Most cell division results in daughter cells with identical genetic information‚ DNA. Cell grows‚ splits in half‚ cell grows‚ splits in half and so on…. A special type of division produces nonidentical daughter cells (gametes‚ or sperm and egg cells‚ or spores). CELLULAR ORGANIZATION OF THE GENETIC MATERIAL All the DNA in a cell constitutes the cell’s genome. A genome can consist of a single DNA molecule
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(the first step in the electron transport chain) (“Succinate Dehydrogenase‚” 2012). Reference Morgan‚ Judith Giles and Carter‚ M. Eloise Brown. Investigating Biology (Laboratory Manual). 7th ed. 107- 121. 2011. Reece‚ Jane B.‚ Urry‚ Lisa A.‚ Cain‚ Michael L.‚ Wasserman‚ Steven A.‚ Minorsky‚ Peter V.‚ and Jackson‚ Robert B. Campbell Biology. 9th ed. 152-171. 2011. Malonate inhibition of oxidation in the Krebs Tricarboxylic acid cycle. (Received for publication‚ October 26‚ 1948)‚ from http://www
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CHAPTER 23 Circulation Chapter Objectives Opening Essay Describe the adaptations of giraffes and humans to circulate blood against the pull of gravity. Circulatory Systems 23.1 23.1 23.2 Describe the general functions of a circulatory system. Compare the structures and functions of gastrovascular cavities‚ open circulatory systems‚ and closed circulatory systems. Compare the cardiovascular systems of a fish‚ an amphibian‚ a reptile‚ a bird‚ and a mammal. The Human Cardiovascular System
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Composition and Molecular Formula Worksheet 1. What’s the empirical formula of a molecule containing 65.5% carbon‚ 5.5% hydrogen‚ and 29.0% oxygen? 2. If the molar mass of the compound in problem 1 is 110 grams/mole‚ what’s the molecular formula? 3. What’s the empirical formula of a molecule containing 18.7% lithium‚ 16.3% carbon‚ and 65.0% oxygen? 4. If the molar mass of the compound in problem 3 is 73.8 grams/mole‚ what’s the molecular formula? Write the molecular formulas of the
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that the sugar in nucleic acid can be ribose or deoxyribose‚ giving two formsie RNA and DNA. In 1943‚ American Oswald Avery proved that DNA carries genetic information. He even suggested DNA might actually be the gene. Usually people thought that the gene would be protein‚ not nucleic acid‚ but by the late 1940s‚ DNA was largely accepted as the genetic molecule. In 1948‚ Linus Pauling discovered that many proteins take the shape of an alpha helix‚ spiraled like a spring coil. In 1950‚ Erwin Chargaff
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DEFINITIONS * Biology is a natural science concerned with the study of life and living organisms‚ including their structure‚ function‚ growth‚ evolution‚ distribution‚ and taxonomy. * The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing (except virus‚ which consists only from DNA/RNA covered by protein and lipids)‚ and is often called the building block of life. Organisms can be classified
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In biology species can become isolated from other species through a number of processes. These isolation processes keep the two species from interbreeding and producing hybrid offspring. There are five separate isolation processes that prevent two species capable of producing offspring from being able to do so. Ecological Isolation Ecological‚ or habitat‚ isolation is when two species that could interbreed do not because the species live in different areas. For example‚ in the wild of India both
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