DETERMINATION OF THE WATER POTENTIAL OF POTATO TUBER CELLS. Method. Five sucrose solutions with varying molarity and one control containing distilled water were prepared and poured into test tubes. The potato discs were dried‚ weighed and added to the test tubes. The discs were then weighed again after a period of 24 hours. The percentage change in mass was then calculated. Apparatus.  Specimen tubes with stoppers x6  1cm3 diameter cork borer  razor
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Cellulitis: Cellulitis is a common skin infection caused by bacteria. Causes Staphylococcus and streptococcus bacteria are the most common causes of cellulitis. The skin normally has many types of bacteria living on it. When there is a break in the skin‚ however‚ bacteria can enter the body and cause infection and inflammation. The skin tissues in the infected area become red‚ hot‚ irritated‚ and painful. Risk factors for cellulitis include: • Cracks or peeling skin between the
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DBA 7101 MANAGEMENT CONCEPTS ASSIGNMENT-1 1. Discuss the role of various approaches of management in management theory. Which approach‚ do you think‚ adequately clears the nature of management? ……………………………………………………………………………[10 marks] 2. “Decision making is the primary task of the management”. Discuss this statement and explain the process of decision making. [10 marks] ASSIGNMENT-2 1. What are the leadership qualities
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Sample Balance Sheet: Example Company Balance Sheet December 31‚ 2011 ASSETS | | | LIABILITIES | Current assets | | | Current liabilities | | | Cash | $ 2‚100 | | | Notes payable | $ 5‚000 | | Petty cash | 100 | | | Accounts payable | 35‚900 | | Temporary investments | 10‚000 | | | Wages payable | 8‚500 | | Accounts receivable - net | 40‚500 | | | Interest payable | 2‚900 | | Inventory | 31‚000 | | | Taxes payable | 6‚100 | | Supplies | 3‚800
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without a microscope because they are so small‚ but they are in the air‚ on our skin‚ in our bodies‚ in the ground‚ and all throughout nature. Bacteria are single-celled microorganisms. Their cell structure is unique in that they don’t have a nucleus and most bacteria have cell walls similar to plant cells. They come in all sorts of shapes including rods‚ spirals‚ and spheres. Some bacteria can "swim" around using long tails called flagella. Others just hang out or glide along. Are bacteria dangerous
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Site Plan | I. Neurons/nerve cells A neuron is a cell specialized to conduct electrochemical impulses called nerve impulses or action potentials. Neuron is the main cellular component of the nervous system‚ a specialized type of cell that integrates electrochemical activity of the other neurons that are connected to it and that propagates that integrated activity to other neurons. They are the basic information processing structures in the CNS.
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COST SHEET There is no prescribed format of a Cost sheet. It may change from industry to industry. A specimen format of a Cost Sheet is given as under: Particulars Total (Rs.) A. Direct Materials Consumed : Purchases .............. Add : Opening Stock of Raw material .............. Expenses on Purchases .............. Less : Closing Stock of Raw Material .............. Direct
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What is the probability this will happen? 2. A survey is done to estimate the proportion of U.S. adults who think that cell phone use while driving should be illegal. In the survey‚ 54% of a randomly selected sample of 1025 individuals said that cell phone use while driving should be illegal. a. What is the 90% confidence interval for the proportion of adults who think cell phone use should be illegal? 1. A sample of college students was asked whether they would return the money if they
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regions of membrane lipids involved in cell signaling are called lipid rafts. • Hopanoids are sterol-like molecules found exclusively in bacteria. • Membranes from cells grown in media enriched with stearate are less fluid than normal membranes. This is because the membranes have more saturated fatty acids. • The functions of the biological membrane are : • They contain receptors for the detection of external signals • They provide a means of cell to cell communication • They regulate movement
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cCELL PHONES A cell phone is the biggest invention of this century. It changed our lives dramatically and nothing is the same anymore. Especially combining computer and phone made such a different world for everyone. The reason for the invention was to help us communicating easily‚ but in my opinion it also causes us to cut off communication between people. First of all‚ we became virtual humans because we are constantly texting and using social media on our phones‚ we also start having virtual
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