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Essays in Exchange, Transport & Reproduction category
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Essay Title
Rating
This piece of investigative work aims to prove, through two different experiments: 1. the water potential of potato tuber cells by the weighing method, and 2. the estimation of glucose in a solution using the colorimetric method.
To compare quantitatively the concentrations of glucose and other reducing sugars in samples of fresh orange, lemon and grapefruit juice. The standard test for glucose (and other reducing sugars) is to use Benedict’s reagent
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To conduct an investigation to compare the osmotic behaviour of potato and Chinese radish chips in varying concentrations of sucrose solution.
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To estimate the sugar content of different fruit solutions.
To find out the concentration of the solution inside a potato cell.
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To find out the factors affecting the refractive index of liquid by using different temperature and concentration of salt solutions, glucose solutions, sucrose solutions and corn oil.
To find out which concentrations of sucrose solution cause water to be gained or lost by osmosis in potatoes.
To investigate how lactose increase the concentration of glucose
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To investigate how the concentration of a sucrose solution affects the length of a potato chip. The length will be measured after 24 hours.
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To investigate the effect of concentration of sucrose solution on osmosis in potato tissue.
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To Investigate the Effect of Osmosis on Equal Length Potatoes
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To investigate the effect of placing identical chips into sucrose solutions of different concentrations.
To investigate the effect of placing pieces of potatoe in a given strength of sucrose solution.Prediction:I predict that, as the solution becomes more concentrated the more the potatoe cells will shrink, as the water
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To Investigate the Effect of Substrate Concentration On Yeast Respiration
To investigate the effect of sucrose solution on osmosis.
To investigate the effects of osmosis, in a potato, whilst in glucose and water.
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To investigate the movement of osmosis through a selectively permeable membrane.
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Treatment of Kidney Failure
Urinary system
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Use different concentrations of sucrose solution to determine the internal concentration of the potato.
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Using Different Carbon Sources For Growth.
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Water Potential of Potato Tuber Cells: The Density Method
We will be investigating osmosis and its effect on potato chips.
What Factors Affect Osmosis in Potato Cylinders?
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What is homeostasisand why is it necessary? Describe the way in which homeostatic control mechanisms function. Using the control of blood sugar as an example.
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