Biology Lab #1: Chemical Diffusion Purpose To discover how the size of a cell affects the diffusion of chemicals throughout the cell. Hypothesis I predict that as the cell size increases the diffusion depth and the diffusion rate will decrease. Equipment • Eye protection • 250 mL beaker • Timing device • Scoopula • Ruler • Scalpel • Sodium hydroxide solution • 3 different sized cubes of phenolphthalein agar • Paper towels Purpose
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St Ivo School Geography Department - GCSE REVISION Solar Output – variations in amount of energy given off by sun – sunspots can affect solar output – e.g. reduction in sunspot activity between 1645-1715 likely cause of Little Ice Age Orbital Geometry – earth’s orbit of the sun varies in shape – when circular glacial periods have occurred‚ when elliptical warmer periods result (Milankovitch Cylces) www.geobytesgcse.wordpress.com Name and describe 2 external factors which affect climate change
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Geographies of social difference WESTIES‚ SURFIES AND BOGANS: SPACE AND STIGMA IN THE MEDIA DR DALLAS ROGERS SCHOOL OF SOCIAL SCIENCES AND PSYCHOLOGY LECTURE OVERVIEW 1. Textbook reading: • • Post-structuralist thought Analysing geographies of difference 2. Stigma‚ the media and place attachment: • • • Territorial stigma Place attachment Place defending 3. Case studies: • • • Housos The Shire The Bra Boys d.rogers@uws.edu.au EXPLANATIONS CONCERNED WITH DIFFERENCE
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Lab # 2 Diffusion & Osmosis Introduction Kinetic energy‚ a root of energy stored in cells‚ causes molecules to hit into each other and move in new directions. Diffusion is the result of this contact. Diffusion is the random movement of molecules to an area of lower concentration from an area of higher concentration. Osmosis is a type of diffusion. This is the diffusion of water through a selectively permeable membrane from a region of higher water potential to a region of lower water
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Geography is the study of the Earth and its lands‚ features‚ inhabitants‚ and phenomena. A literal translation would be "to describe or write about the Earth" and climate encompasses the statistics of temperature‚ humidity‚ atmospheric pressure‚ wind‚ rainfall‚ atmospheric particle count and other meteorological elements in a given region over long periods of time. The climate of a location is affected by its latitude‚ terrain‚ and altitude‚ as well as nearby water bodies and their currents. Climates
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Lipids and Phospholipids The main role of phospholipids is that they can form lipid bilayers. It is an amphipathic molecule. The head which is hydrophilic contains a group of phosphate‚ a diglyceride and a simple molecule e.g. choline. The tail is hydrophobic and is made up of fatty acids. Phospholipids receive and transmit signals across the cell membrane and act as a store room for energy. The main role of phospholipids is that they can form lipid bilayers. It is an amphipathic molecule. The
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From the first traces of civilization‚ geography has played an immeasurable role in the structure‚ function‚ and culture of the peoples it has affected. It can be accredited with the greatest migrations in history‚ the comities of neighboring countries‚ and the need for civilizations to adapt. Geography has forever molded the actions taken by governments‚ and the policies they have adopted. It is often advantageous‚ but no more can it be rancorous. The geography of East and Southeast Asia specifically
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and how much ransom money could I get for each one? ”I think it is safe to say happiness have many aspects. The real versions of well-being that plays out every day are the ones based upon an individual experience‚ perception and values. The Geography of Bliss by Eric Weiner shows a beguiling mixture of travel‚ psychology‚ science and humor to investigate not what happiness is‚ but where it is. Mr. Weiner’s findings reveal‚ that government of Switzerland makes decisions based upon happiness
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Lagos is the largest city of Nigeria‚ and it is known for its corruption‚ poverty and crime. The rate of urban growth is increasing rapidly mainly due to natural increase and in-migration. In 1959‚ the population was around 300‚000 and increased to 13.4 million in 2004. By 2050‚ it is predicted that the population of Lagos will reach 24.4 million people‚ placing it within the top 5 largest cities in the world. Lagos was a British colony from 1862 to 1906‚ in which the development into a commercial
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My state is Virginia‚ it was named for England’s “Virgin Queen” Elizabeth I. Virginia has had three state capitals. It’s first state capital was Jamestown which was the state capital for over 80 years‚ in 1699 Virginia changed its capital to Williamsburg after a fire destroyed Jamestown‚ in 1780 the capital was changed once again to Richmond‚ where it has resided ever since. The state population is approximately 8‚382‚993 as of July 1‚ 2015‚ . The state bird is the Northern Cardinal‚ it is most
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