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Transport in Phloem
The basic necessities of plants, water, are taken up by the roots. Another purpose served by the roots is to absorb water soluble mineral nutrients from the soil. Mineral nutrients move together with water in long distance pathways provided by the vascular system to reach the entire plant. Roots cannot feed themselves in the darkness of soil.
Several other tissues in the plant body also lack photosynthetic apparatus completely or possess it partly in the sense that they cannot manufacture enough food required to support their life processes. Leaves on the other hand rely on roots for water and minerals but manufacture more food than they actually need. Hence, leaves serve as the source of food for other tissues which may store excess of it so that it can be used by plant for the perpetuation and spread of species.
Sex-Limited Traits Sex Limited Traits are traits expressed only in one sex, although the genes controlling thcm arc prcscnt as wcll as transmitted to both thc sexes. Therefore,
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Secondary, tertiary, and quaternary structures of proteins are spatial structures. Denaturizing is modification in any of these spatial structures that makes the protein deficient
This is a rare manifestation seen in less than 5 per cent of ARF patients. It is erythematous, macular, evanescent, non-pruritic rash with pale centre and serpiginous or rounded bo
Explain Canal Obstruction - Non-surgical Endodontic Retreatment File work shorter than the normal apical and feel a great resistance to reach the true length a. A retain
Explain the Glycemic index in Chronic Diseases? In addition to serve as an aid in planning diets for diabetics, GI of diets has been linked to a number of chronic diseases. Sev
characteristics of protozoans
Q. How does facilitated diffusion present resemblance with enzymatic chemical reactions? One of the main examples of facilitated transport is the entry of glucose from the bloo
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DIFFERENCES BETWEEN MITOSIS AND MEIOSIS EVENTS MITOSIS MEIOSIS Occurrence In all the body cells including
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