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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.
what are the ecological importance of molluscus
give the discriptive account of nerilla which belongs to class arciannelida in phylum annelida
Q. What is the nature of the stimulus received and transmitted by the neurons? Neurons transmit and receive chemical stimuli through neurotransmitters released in the synapses.
Explain Taxonomic Concepts and Their Development? The history of classification is an exciting aspect of plant taxonomy. The discovery of the use of plants for food and later
What is the excreatory organ of crab
The pumps The blood from the operating field is sucked with the help of the cardiotomy sucker and pump, which is filtered to remove all particulate matter and then pass
The Family Nutrition Approach This involves relatives/family who live in the client's household; in assisting the client to make necessary dietary changes to prevent or to
To show the direction of sprout growth in seeds Soak pumpkin or other large seeds overnight and fasten three of them on needles as shown in the diagram. Fasten single with the
Determine the Physiological Effects phytoestrogens? Little is known about the biologic and physiologic effect of phytoestrogens in humans. Animal studies suggest the following
Plants of the open water zone In this zone plants are restricted to the limnetic one and generally consist of phytoplankton such as dinoflagellates, blue green algae and green
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