Bio 225 Chapter 4 Practice Questions 1. Which of the following is not a distinguishing characteristic of prokaryotic cells? a. Their DNA is not associated with histones. b. They have cell walls containing peptidoglycan. c. They lack membrane-enclosed organelles. d. Their DNA is not enclosed within a membrane. e. None of the above. 2. Which of the following is not true about a gram-positive cell wall? a. It contains teichoic acids. b. It protects the cell in a hypertonic environment
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Name Microbiology 2210 Answer Key Practice Test 1 Directions: Choose the most correct response to answer the statement. ___1. Archaea a. belong to the kingdom Protista b. have petidoglycan in their cell walls c. belong to the domain Bacteria
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Lab Report #1: Observing Bacteria Microbiology Abstract: This lab exercise familiarized the student with the use of a microscope by observing and identifying various different slides under the microscope. The student practiced observing the given slides under the 10x‚ 40x‚ and 100x (oil immersion) objective lenses‚ which allowed for the identification of the different organism’s shapes and sizes. Purpose: The aim of this exercise is to equip the student with the knowledge
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Chapter 1 1.1 The Scope of Microbiology (Living things too small to be seen without magnification) 1. Various Types of Microorganisms (Microbes): a. Bacteria‚ algae‚ protozoa‚ helminthes (parasitic invertebrate-worms) and fungi. 2. Multiple types of Professions Using Microbiology: b. A staff microbiologist at the Centers for Disease Control (CDC) and Prevention c. Epidemiologist d. Immunologist e. Food Inspectors f. Plant Microbiologists
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The FDA makes a strong point on why antibiotics should be eliminated from farm animal feed. The FDA uses expert testimony and scientific fact that show why antibiotics have more negative than positive effect. While‚ using antibiotics is cheaper‚ it is more important to be selective about which drugs are given to our animals. There is clear information explaining why antibiotics are harmful to society so it is very important that we use these drugs properly. When bacteria gets into the food supply
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J Unit Task 1 Amebicides Antibiotics Antivirals What they are? Amebicides are agents that destroy amebae infections‚ especially those that cause amebiasis. Antibiotics are a treatment that destroy or slow down the growth of bacteria. Antivirals are agents that stop the growth and reproduction of viruses. What diseases they treat? Amebicides treat a disease called amebiasis; amebiasis is an intestinal illness that is commonly caught when someone eats or drinks something that is
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Microbiology Study Guide Chapters 1-6 Chapter 1 Main Themes of Microbiology Microorganisms Most are not Pathogens Prokaryotic-no nucleus or organelles Very simplistic—like bacteria Eukaryotic-has nucleus and organelles like mitochondria Includes fungus‚ and animals Acellular-not even a complete cell Includes viruses and prions like those that cause Mad Cow disease Six main types of microorganisms Bacterium (prokaryotic) Fungus (eukaryotic) Algae (eukaryotic) Virus (acellular)
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Relationship between Parenting Styles and Anxiety Sensitivity Jolina Garcia Lea Go-Oco Clarissa Medina Micaela Pineda Miriam College Dr. Rachel Reyes-Laureano 2013 February 07 Statement of the problem At the end of this study the researches aim to answer these questions: 1. Is there a significant relationship between parenting styles and anxiety sensitivity? 2. Which among the three parenting style has the highest probability of producing anxious children? 3. Which
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In this context the term nonantibiotics was introduced to include a variety of compounds used in the management of pathological conditions of noninfectious etiology. Despite the availability of hundreds of anti-infective drugs the emergence of antibiotic resistance and new infectious agents creates the therapeutic challenge to the medical community. Hence‚ the search for newer agents to tackle the global problem is continuing. It has been noted that many of the phenothiazines‚ thioxanthenes‚ other
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1. A functional cell could be built with a single chromosome‚cytoplasm‚a cell membrane‚ and ribosomes.Why are these four components absolutely necessary to the functional cell? If these structures are all a cell needs‚ why do most cells have many more structures? A chromosome is necessary so that there is a “map” of the cells function and structure‚ cytoplasm is necessary as it is where most of the cell’s activity occurs‚ ribosomes are essential as they are the site of protein synthesis‚ which
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