Transportation of gases in tracheophytes
Is transportation of gases in the tracheophytes made by vascular tissues?
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Oxygen and Carbon dioxide are not transported by phloem or xylem. These gases reach the cells and exit plant by the diffusion through intercellular spaces or between neighboring cells.
Write the destination of notochord in vertebrates and in protochordates?
Describe briefly the three main functions of the antibodies?
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As compared to mammals do birds absorb less or more water in their digestive system? Why is this phenomenon an adjustment to flight?
Biological characteristics of human biological system influence the way in which human being tends to sense external data, interpret, and respond to them. SOme Characterstics are:1. Heredity2. Brain3. Physical Features It generally determines attitudes towards independen
Briefly explain what are haptens?
What are the major components of the cytoskeleton?
Describe the major ecological roles of bacteria?
In eukaryotic cells where does mRNA synthesis take place? To where do such molecules migrate?
Explain the term vena cava? Which kind of blood circulates in the vena cava?
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