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Explain Particle Movement ?
Particle Movement : Particles are moved down a concentration gradient by the process of diffusion. Osmosis is simply the diffusion of water across a semipermeable membrane. We show four examples of osmosis - two with a red blood cell, and two with a plant cell. Diffusion and osmosis are vital for exchanging fluids, gases, and other substances in cells.
EGG S OF FROG This egg is round & its diameter is of 1-2 mm. It is mesolecithal & has distinct animal pole & vegital pole. The nucleus is found in the centre of the anim
Explain process of Fatty acid composition We know fats/oils are made up of fatty acids. The number, position and geometry of double bonds within the fatty acids affect the rate
Q. What is the function of keratin in the epidermis? The epidermis is the outer layer of the skin made of epithelial tissue in the epidermis there are keratin-secreting cells (
Style of Stigma Interaction The style has been distinguished into two types: In open styles a stylar canal is present which is lined with a well-developed glandul
Hydrogen ( h) has 1 electron; Carbon ( c) has 6 electrons, use the octet rule to determine which of the following is most stable. Note: some of these may have double bonds. A. O
How did the experiments of Redi and Pasteur refute the hypothesis of spontaneous generation? To refute the impulsive generation hypothesis many experiments were performed. The
Explain about the Microcolony DEFT? It allows determination of viable cells. Food homogenate is filtered through a DEFT membrane and then placed on the surface of appropriate c
Define Dark Field Microscope In this microscope, condenser system is modified, so that only reflected and refracted light by specimen forms an image. Here, the object is bright
A cleavage furrow appears in the middle of the cell, deepens gradually and divides the cell into two. Thus, at the end of second meiotic division, four daughter cells are formed
Despite having a great biodiversity why is the Amazon Rainforest under risk of desertification? The natural soil of the Amazon Rainforest is not very fertile but it is enriched
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