Name: Date: 10/14/2013 1. What types of molecules have difficulty crossing the plasma membrane? Explain why. Large polar molecules and
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Important Questions of this chapter: **Definition Cell cycle 2. Homologous Chromosome 3. Sister Chromatid 4. Synapsis **Short Questions 1.Describe the chief events of mitosis and show how these differ from meiosis. (V.V.I.) 2. What ‘checkpoints’ occur in cell cycle? What is the role of each? **Long Questions 1.Describe the phases of the cell cycle and the events that characterize each phase. Answer of short Definition is given below 1. Cell Cycle: The cell cycle is an orderly
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Sickle-Cell Disease Discovery: http://www.sicklecellanaemia.org/sickle-cell-disease/discovery-of-sickle-cell-disease James Herrick was a doctor in Chicago‚ USA‚ and wrote about his observations of a patient with severe anaemia. When blood samples were viewed under the microscope Herrick noted “peculiar elongated and sickle-shaped red blood corpuscles”. Symptoms: http://www.nhlbi.nih.gov/health/health-topics/topics/sca/ Sickle cell anemia varies from person to person. Some people who have
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1. Given the following parental genotypes‚ show all possible gametes that each could form. Circle each gamete. Note: different gamete types are separated by commas in the table below. Genotype Gametes: AA A Aa A‚ a Bb B‚ b bb b cc c AABB AB AAbb Ab Aabb Ab‚ ab AaBb AB‚ Ab‚ aB‚ ab AaBbCc ABC‚ ABc‚ Abc‚ AbC‚ aBc‚ aBC‚ abC‚ abc 2. In summer squash‚ white fruit color (W) is dominant over yellow (w). If a squash plant homozygous for white is crossed with one homozygous for yellow‚ what will be the apearance
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Cancer Epidemiology Cancer is not a single disease; it is a myriad or collection of diseases with many different manifestations as there are many different types of tissues and cell types Cancer is a disease of abnormal gene expression. Cells are constantly evolving and have the natural selection pressures to change Common biological properties of tumor cells: 1) Deregulated clonal cell growth- all cells in a tumor originated from one single cell that acquired mutations that made it deregulated
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1. Nature‚ 2001 2. David W. Pfennig‚ Karin S. Pfennig‚ and William R. Harcombe 3. Batesian Mimicry: When a harmless species mimics a dangerous species to confuse them so they are not harmed. Sympatric: A speciation in which new species evolve from a single ancestral species while inhabiting the same geographic region. Allopatric: Occurring in separate‚ nonoverlapping geographic areas 4. Organism- Reptile Genus- Micrurus Species- fulvius Common Names- Coral Snake Organism- Reptile
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HOMEOSTASIS BIOLOGY I BIO091 Prepared by: Nur Syakireen Bt. Ishak SCOPE •Definition and importance of homeostasis •Homeostatic organ •Negative and positive feedback mechanisms •Blood-glucose regulation •Thermoregulation •Osmoregulation DEFINITON & IMPORTANCE OF HOMEOSTASIS Homeostasis • Homeostasis: • is the steady state of physiological condition of the body. • it is the physiological processes by which organisms maintain a constant & balanced internal environment. • In achieving
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Lab Report: Scientific Method Your Name: Alyssa Melincoff Purpose of this Lab What is the goal of this lab? What question is it trying to answer‚ or what problem is it trying to explain? To find out how table salt affects the boiling temperature of water. Hypothesis After reading the lab instructions - but before starting the lab - record your best “educated guess” about what will happen in the experiment. What hypothesis can you generate about the effect of adding salt to water? Adding
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Ame TRANSITIONAL FORMS sils Fos VESTIGIAL TRAITS • Structure reduced funcAon à ing of no to marginal importance v es Lipecito survival/reproducAon of S organism; but found as funcAoning structure in other closely related spp VesAgial structures: spp are related
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BIOLOGY ASSIGNMENT WOUND HEALING SPRAY GROUP : C4 Beta 1 GROUP’S MEMBERS : (1) Tan Jing Peng (1300433) (2) Koh Wei See (1300723) (3) Sangeeta A/P Rajindran (1200225) (4) Meera A/P Kalaiselvan (1300607) (5) Thiviya Gunalan (1300633) (6) Velaraasi A/P Mathiyalagan (1300608) DATE OF SUBMISSION : 24 January 2014 CONTENT NO. Title Page 1. Introduction 1.1 Definition of wound 1.2 Type and Causes of wound 1.3 Complications 1.4 Risk
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