10.1.3 CROSSING OVER Outline the process of crossing over in : Meiosis 1: • Prophase I - homologous chromosomes are paired up tightly into tetrads‚ then crossing over‚ the exchange of genetic material between the DNA in these tetrads occurs‚ forming a chiasmata‚ an x-shaped structure. • Metaphase I - paired chromosomes line up along the equator of a cell‚ the metaphase plate as the spindle microtubulue apparatus pulls them. • Anaphase I - The spindle microtubules pull homologous chromosomes
Premium Mitosis Meiosis Chromosome
Discuss the use of technology in investigating one cognitive process-Alzheimer’s disease and memory loss Alzheimer’s disease is a degenerative brain disorder that results in memory loss‚ impaired thinking and personality change. No blood test‚ brain scan‚ physical exam can definitely diagnose Alzheimer’s disease. PET scan detect radioactively tagged glucose that are injected into a patient’s body before the imaging. Glucose enters through blood stream and brain. The most active brain areas
Premium Alzheimer's disease Brain
Acids And BAses Acids And BAses 8.1 8.2 8.3 8.4 18.1 18.2 18.3 18.4 18.5 Theories of acids and bases Properties of acids and bases Strong and weak acids & bases The pH scale Calculations involving acids and bases (AHL) Buffer solutions (AHL) Salt hydrolysis (AHL) Acid-base titrations (AHL) Indicators (AHL) 8 8.1 THeORies OF Acids And BAses 8.1.1 Define acids and bases according to the Brønsted–Lowry and Lewis theories. 8.1.2 Deduce whether or not a species could act as a Brønsted–Lowry
Premium PH Acid Acid dissociation constant
Charles Martin in Uganda: What to Do When a Manager Goes Native Q1) For a foreign company conducting business in Uganda‚ it was inevitable that Ugandan culture will largely affect the business operations of that foreign company. There are many cultural factors of Uganda which will have a large impact on the foreign company’s operations. One of the factors is “grease money” or a sort of a bribe‚ which was paid to accomplish something or speedup a task. Another attribute was their belief in the
Premium Vice President of the United States Corporation Left-wing politics
’’ Which factors led to the civil war in Spain? Why did the war breakout in July 1936? ’’ Francisco Abadal Ramon Section A: Plan of investigation This paper investigates ’’to what extent did the left wing political opposition lead to the Spanish Civil War‚ 1936-1939?’’ In order to reach to a valid conclusion this investigation will be focusing on the comparison of different factors that took place before an during the Spanish Civil War‚ such as the role
Premium Marxism Karl Marx Spain
4W Experiment to Verify Snell’s Law of Refraction and to Estimate the Speed of Light inside a Transparent Plastic Block 1. Preparation: a) Read about refraction of waves and Snell’s Law. b) Find the relation between the refractive index of a medium and the speed of light in that medium. c) Read about total internal reflection; especially the definition of the “critical angle of incidence”. 2. Using the special apparatus provided‚ measure the angles of refraction corresponding to a wide range of
Premium Refraction Snell's law Total internal reflection
M10/4/PHYSI/SP2/ENG/TZ1/XX+ 22106511 Physics standard level PaPer 2 Candidate session number Monday 10 May 2010 (afternoon) 0 1 hour 15 minutes 0 INSTRUCTIONS TO CANDIDATES • • • • • Write your session number in the boxes above. Do not open this examination paper until instructed to do so. Section A: answer all of Section A in the spaces provided. Section B: answer one question from Section B in the spaces provided. At the end of the examination‚ indicate the
Premium Temperature Heat Specific heat capacity
IB 15-16 Course Selection Guide Part 2 Go next page for the answers! Hong Kong Programme Name Subject requirement Minimum grade suggested Bachelor of Economics Math HL IB Score: 36 Bachelor of Accounting Mathematics SL IB Score: 36 Bachelor of Social science No specific requirement IB Score: 35 Bachelor of Business administration and Law Eng lit HL and Math SL IB Score: 40-41 Bachelor of architecture Math
Premium Social sciences Psychology Architecture
Explore Download 0CommentLinkEmbedof 6Readcast0 inShare Xavier Bourret-Sicotte Physics18/09/2007 Measuring the speed of sound In this experiment‚ we will measure the speed of sound.The apparatus consisted of a plastic tube filled with water linked to a water container. Thiscontainer could be displaced vertically in order to change the water level. We would thenmake a tuning fork vibrate above the pipe and change the water level until the resonance wasat maximum intensity.Hypothesis: The
Premium Speed Frequency Measurement
ACT 2 SCENE 2 INTRODUCTION Good afternoon. I’m going to tell you about the disposition of Julius Caesar’s wife Calpurnia‚ during the early morning hours on the Ides of March which was also the day Caesar was to be crowned king but‚ was assassinated instead. BRIEF SUMMARY The scene opens with thunder and lightning accompanied by torrential rain since the night before when Calpurnia is deeply disturbed by horrid nightmares of Caesar being slaughtered by sadistic murderers (sadistic because they were
Premium Julius Caesar Stockholm Metro Fear