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A simple osmometer
Remove the bottom from a small glass bottle about 2.5 cm in diameter. Fit a one-hole stopper tightly into the bottom and put a 50 cm length of glass tubing or a length of two soda straws by the hole.
Place a piece of cellophane or parchment paper over the other end of the bottle and fasten it securely by winding with various turns of string or strong thread. Fill the bottle with a very concentrated sugar solution and change the one-hole stopper being sure that no air bubbles remain inside the bottle. Clamp the osmometer in a glass of water and permit to stand a few hours.
Q. After menses what is the hormone that influences the maturation of the ovarian follicles? The maturation of the ovarian follicles after menses is stimulated by the action of
Is nitrogen is important plant nutrients Nitrogen is an important plant nutrient which is assimilated by most of the plants as nitrate and ammonium ions. Organic matter is the
What are the types of cell respiration? There are two types of cell respiration: aerobic cell respiration, a reaction with participation of molecular oxygen (O2), and anaerobic
Purpose of Supervision: Purpose: To help the personnel to grow, to know themselves and what they need in order to render the most efficient service and to give them assistance
what is cytoplasm?
Mitochondria are the organelles in which the most significant part of the cellular respiration happens: the ATP production.
Chromosome jumping is the technique whereby one begins with a piece of DNA from one area of a chromosome, and obtains clones from nearby areas without cloning everything in betwee
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Though it has bees suggested that Doppler echocardiography may be useful for non-invasive determinations of stroke volume and cardiac output, it should be recognized that th4re
Digestion of proteins Digestion of proteins is initiated in the stomach by pepsin. Pepsin acts upon food proteins and converts them to proteoses and peptones whic
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