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Explain what Diffusion is?
Diffusion, we learnt is a simple process of movement of individual molecules from one region to another. Figure illustrates passive transport where molecules move from an area of high concentration to an area of low concentration without the use or input of energy by the cell. This process we know is diffusion. Diffusion is driven entirely by the kinetic energy the molecules possess.
Explain the Hyperparathyroidism Hyperparathyroidism may occur due to a tumour in one or more of the parathyroid glands. In this condition, the calcium level of the blood increa
Specific gravity and pH of Urine Normally, the first morning urine has a specific gravity of 1.015 to 1.020. Normal urine is usually slightly acidic with a pH of about 6.0.
Lifting things with compressed air Remove the bladder from a soccer ball or basket ball and place it on a table. Pile some books on the bladder and then blow into it.
To measure the volume of air in the longs Invert a bottle full of water so that its neck is in the surface of water in ajar. Introduce a glass or rubber tube into the neck and
If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
ehat is protoplasm and other levels of organization
Lab coats : The lab coat should fit well and should be buttoned up correctly at all times. Cotton lab coats are more suitable than those made from nylon as the former could absorb
define carbohydrates.give a brief account on classification of carbohydrates.
What is the job of chromatin in an animal cell?
what is meaned by circular motion
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