Music as art. My favorite music style. Music is an art form whose medium is sound and silence that are organized in time in a special way. Its common elements are pitch (which governs melody and harmony)‚ rhythm (and its associated concepts tempo‚ meter‚ and articulation)‚ dynamics‚ and the sonic qualities of timbre and texture. In the historical context the development of music is inseparable from the active development of person’s sensory abilities. Course of the auditory development of the
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CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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domesticus‚ PAH‚ ouabain‚ oligomycin‚ Na+‚ K+ Silvia Kilic 100488712 BIOL 3040U CRN: 70041 Thursday‚ March 5th‚ 2015. Results The Malpighian tubules were incubated in the solutions for 15 minutes before being observed. The transport of CPR into the lumen was highest when there was no addition of oligomycin‚ ouabain and p-aminohippurate (PAH). The least transport occurred from the addition of ouabain and PAH (table 1). There was a strong positive correlation (R2=0.9881) between increased potassium concentration
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Urinary System: Anatomy Review 1. Name the organs in the urinary system: 1. 2 kidneys 2. 2 ureters 3. bladder 4. uethra 2. The kidneys are retroperitoneal (behind the peritoneum)‚ lying against the dorsal body wall in the upper abdomen. 3. The adrenal gland sits atop the kidneys. Blood vessels enter and leave the kidney at the renal cortex. 4. The functional units of the kidney are the nephrons. They are called renal pyramids if they are located mainly in the cortex. They are called renal
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cells to differentiate‚ or cause cell death. 7. Watch the video clip of cell division in the small intestine. Name the general location along the villus where the following processes occur: Cell Division: _The crypt Cell Differentiation: _The lumen Apoptosis: _The top of the villus 8. Name one harmless result of too little cell division. Hair loss is the result of too little cell division 9. Name one harmless result of too much cell division. Warts can be caused by too much cell
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Notes by Ankur upaadhyay gujarat board/combined science igcse.9998791839 india. Q.1 Explain transportation of water in plants. A.1 (1) Higher plants possess xylem which is associated with the transport of water. (2) Water absorbed by the root from the soil is transported to stem‚ branches‚ leaves and flowers. (3) The main structural components of the xylem responsible for the transport of water are tracheids and vessels. (4) As the root cells are directly in contact with soil‚they take up
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outer of these two membranes is uninterrupted with membrane of the rough endoplasmic reticulum and thusly has ribosomes scattered along it. The gap between the inner and outer nuclear membrane is called the perinuclear space and also conjoins with the lumen of the rough Endoplasmic reticulum. This double membrane layer as well as containing many channel proteins also has many perforations where the two membranes join together to form holes called nuclear pores. These holes are important as they allow
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The cardiovascular system consists of the heart‚ blood vessels‚ and blood. This system has three main functions: Transport of nutrients‚ oxygen‚ and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide‚ nitrogenous wastes). Atria: Ventricles: In a four-chambered heart‚ such as that in humans‚ there are two ventricles that operate in a double circulatory system: the right ventricle pumps blood into the pulmonary circulation to the lungs‚ and the left ventricle pumps
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precipate irregular heart beats which can cause a heart attack or can cause a sudden spasm of the heart blood vessels causing an heart attack. And on top of that betel nut chewing increases the heart rate which can complicate this process. A 70% narrowing of the lumen of the heart blood vessel is enough to cause chest pain! I think this explains why recently there have been many people in PNG collapsing and dying while chewing betel nut. Betel nut chewing can also precipitate an acute attack of asthma in asthma
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ESSAY ‘The structure and importance of the plasma membrane found within and around all cells’ The plasma membrane surrounds all eukaryotic and prokaryotic cells. Eukaryotic cells have membrane bounded organelles whereas prokaryotic cells do not. The plasma membrane forms the boundary between the cell cytoplasm and the environment. Its function are to allow different environments to be established inside and outside the cell. It also controls the movement of substances into and out of the cell.
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