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For measuring the rate of transpiration of a twig using Ganong's potometer, learner A cuts the twig and fits it in the broad end of the water-filled potometer. Learner B cuts the twig under water and fits in the broad end of the potometer. Both the learners introduce an air bubble in the stem of the potometer, make the apparatus air-tight and start taking readings. What would they observe?
a. Both A and B observe air bubble moving towards the twig.
b. Both A and B observe no movement of air bubble.
c. A observes no movement and B observes movement of air bubble towards the twig.
d. A observes movement, while B observes no movement of air bubble towards the twig.
What do facilitated diffusion and active transport have in common? What are the differences between them? Facilitated diffusion can be confused with active transport because in
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HOW MANY PHYLUM OF ANIMALS?
Roller Pump: This is the type most commonly used in clinical perfusion. It has a circular metal housing inside which there is a rotating urn with two rollers fixed at 180 degrees
Synthetic Conduits Dacron, Polytetra fluro ethylene (PTFE) and polyglycolic acid grafts have extremely poor results and are not used any more.
What is Nervous System? The nervous system is made up of associations of cells called neurons. Bundles of neurons are called nerves. The nervous system is divided into two part
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Potassium, Calcium, Iron and Magnesium - Microorganism? These are supplied by inorganic salts and exist in the cell as cations. These perform various functions in the cell like
essay on respiratory structures of living organisms
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