Ames Test Reversion Assay Table 1. Group avarege results for Dose response of nitrofurantoin in different concentrations (µg/ml) Concentration (Dose) Plate 1 Plate 2 Average 0 89 73 81 6.25 124 162 143 12.5 259 202 230.5 25 298 279 288.5 50 305 310 307.5 Concentration (µg/ml) Average 0 100.8182 6.25 178.8636 12.5 223.7121 25 289.5758 50 353.7424 Table 2. Class average Dose response of nitrofurantoin in different concentrations (µg/ml) Figure 1. Graph dose response of nitrofurantoin in
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Genetic factors: Pain is a complex human trait sculpted by multiple biologic and psychologic systems‚ each of which involves the influence of numerous proteins throughout the peripheral and central nervous systems‚ whose effects can be substantially affected by environmental exposures. Therefore‚ it is inevitable that multiple genes‚ each with a small individual effect‚ interact among themselves and with a variety of environmental factors‚ to influence pain sensitivity and the expression of chronic
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explain how natural selection relates to changes in a population‚ e.g. the development of bacteria resistant to antibiotics and insects to pesticide Natural selection changes a population by altering the gene frequency in the gene pool‚ by making one allele more common or
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within darken surroundings. In this case‚ adaptive melanism improves their ability for camouflage‚ which makes them less noticeable to predators. 2 4) What were the genotype-phenotype associations between Mclr alleles and coat color in rock pocket mice from the Pinacote study site? 1 The mc1r allele is a protein that correlates to pigment of the rock pocket mice from the Pinacote study site‚ which is a phenotype related to melanism. 5) Why would a rock pocket mouse’s color influence its overall fitness
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structures and organelles in class Know the following organelles and cell structures: Cell wall‚ cell membrane‚ nucleus‚ mitochondria‚ chloroplasts‚ ribosomes‚ endoplasmic reticulum‚ golgi apparatus‚ lysosomes‚ vacuoles‚ cytoskeleton What is an allele? Be able to define the following: Genotype‚ Phenotype‚ Transcription‚ Translation Know the steps involved in transcription and translation What are mutations? How do they lead to evolutionary changes? Mutations that affect genes affect
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always heterozygous. 3. Select a trait of interest. a. What is the trait? (1 point) b. What is the phenotype for the trait? Is this the dominant or recessive allele for the trait? (2 points) c. What are the possible genotypes for the parents? (2 points) d. Include the results of one Punnett square‚ showing a possible combination between alleles for the trait from the parents by filling in the genotypes according to the numbers in the square‚ below. 1 2 3 5 6 4 7 8 e. Based on the cross‚ what
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Simulation Lesson 2 (as modified from Robert Gendron’s “Simulating Natural Selection” for Introductory Biology Lab College Course‚ Indiana University of Pennsylvania) Key Question(s): What is natural selection? How does natural selection change allele frequencies over time? Does natural selection work differently on large versus small populations? What is genetic drift? Science Subject: Biology Grade Level: 7th-8th grade Science Concepts: Natural Selection‚ Evolution Overall Time Estimate:
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The three particles that make up atoms are d. protons‚ neutrons‚ and electrons. Which of the following statements about a compound is true? A. The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed. A covalent bond is formed as the result of b. sharing electrons. In a water molecule‚ shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result‚ the oxygen atom is a. slightly negative.
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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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effect occurs when a small group from a particular population migrates to a new region and establishes a whole new population. This new population has no interbreeding action with the parent group but with different groups. This leads to a different allele frequency and speciation. The new population has different genotype and phenotype from the parent
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