Osmosis and Water Potential Year 11 Emary Venter INTRODUCTION: The cell is the basic unit of living things‚ and is made up of multiple organelles. Organelles are membrane bound subdivisions‚ each specialised for a specific function. This experiment looks at the Plasma Membrane‚ which is a semipermeable layer surrounding the cell. It’s primary job is to control what goes in and out of the cell. Molecules can move across this membrane in either an active movement or a passive movement
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After the completion of Seven Habits Profile I reflected on the profile and my potential leadership practices. Some of the categories that I scored outstanding in did not surprise me as some mirror my values and what is important to me. Category 3 discusses being proactive and choosing to live believing that one is primarily in control of their own life. Having a proactive approach in the workplace is important for success because it allows one to act in advance of future events. Being reactive as
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1 Work: 1. A person pulls a toboggan for a distance of 35.0m along the snow. The force in the rope (tension) is 94.0N. How much work is done on the sled? Solution: W= Fd W= 94.0N x 35.0m W= 3290 Nm or J 2. The cable of a large crane applies a force of 2.2x10^4N to a demolition ball as it lifts it vertically a distance of 7.6m. a) How much work is done on the ball? b) Is the work positive or negative? Why? Solution: A.) W=( 2.2x10^4N) ( 7.6 m)
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It was a hot afternoon and the heat from the scorching sun was quite unbearable. I was cycling home from school after arranging the books in the school library as I was a librarian. The road was quiet. I felt hungry and was looking forward to reaching home and having my late lunch. When I was cycling along the roadside‚ a motorcyclist appeared out of the blue and roared past me. He had almost knocked me down and I was rather taken aback by his sudden appearance. I then noticed there was a passenger
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Market Potential Indicator Purpose of Indicator As the name states‚ it is a measure of the market potential of a country using several dimensions‚ ratings‚ indexes and percentages. Currently‚ emerging economies comprise more than half of the world’s population‚ account for a large share of world output and have very high growth rates‚ which mean an enormous market potential. With global marketing becoming more important‚ companies and marketers are attempting to determine which international
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World War 1 which was also known to many as the Great War seems to in many ways challenge its explanation of why it happened. What caused the war? Who was responsible? Many authors of books and articles that are written about the expositions of the First World War will be found to most frequently question the causations’ and influences’ in their writings. One of the many speculated causations which have been argued was that of the set up for alliance-systems’. It could be argued that the out
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“Do you believe in love at first sight ? Or .. um .. should I walk by again ? “ Blush .. Blush .. Well ‚ Ladies and gentlemen ! Honestly ‚ even If I keep walking past you in ‘circles’ ‚ you won’t fall in “love” with me . Yes ‚ you might have a crush on me ‚ my presence may cause a powerful infatuation ‚ but it would not ‚ my friends ‚ be love … To all those who immediately got those contradicting thoughts in their minds ‚ Ladies and Gentlemen ! I speak … of experience . . . 22nd October
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Everything Straight What is something that you show without much thought? There a lot of facial expressions that a person can make. Some seem more common and the more subtle differences are lost in different traditions and cultures‚ but the most universal facial expression with same meaning across all culture is indicated by an upward curving of the corners of the mouth or simply‚ a smile. I smile knowing that smiling changes my mood. According to psychologists if you smile for a minute‚ no
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its environment or itself‚ it has energy. When you think of energy‚ you might think of action- or objects in motion‚ like the baseball that shatters a window. There are different forms of energy. Turn on an electric light and a dark room becomes bright. Turn on a music player and sound comes through your headphones. In both situations‚ energy moves from one place to another; effect and reaction. The two different types of energy are kinetic and potential energy. Kinetic energy is the energy a moving
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waning bursts of 8-12 Hz’s EEG. This is when we are alert at our wake fullness. Stage one sleep RRG is low voltage but high frequency signal. As the stages progress into stage 2 there’s a gradual increase in EEG voltage and decrease in EEG frequency. Stage 2 has a higher amplitude and lower frequency and also has two wave forms‚ k complexes and sleep spindles. Stage 3 is Delta waves‚ which are the largest and slowest EEG waves. Stage 4 is essentially the predominance of delta waves. Throughout the
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