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How do plants solve the problem of transporting substances throughout their tissues?
In bryophytes the substance transport is completed by diffusion. In tracheophytes (pteridophytes, gymnosperms and angiosperms) there are specialized conductive vessels, the xylem that carries water and mineral salts and the phloem that conduct organic material (sugar).
Plant Physiology - Image Diversity: xylem
before stem cuttings are planted the cut end of the stem is often dipped in a hormone powder .what is the point of this?
Why, even though they have an open circulatory system, can flying insects like flies beat their wings with great speed? In insects the circulatory system is open but this syste
Q. What is the basic Role of Botanic Garden? A botanic garden makes us to simply enjoy the beauty and variety of nature. The pleasure of admiring turns us into good naturalists
Reproductive tract infections The major cause of reproductive tract infections are, improper dry cow nutrition, contamination at calving due to unsanitary calving area; virule
The second category of isolating mechanism that may permit interspecific mating but ensures reduced viability is called post-mating isolating mechanism. This category could be subd
Q. What are the three kinds of respiration in which the circulatory system transports gases? The circulatory system has an important role in branchial respiration, cutaneous re
Explain Lipid Formulations Three lipid formulations of amphotericin B are marketed in the US: amphotericin B lipid complex (ABLC, Abelcet), liposomal amphotericin B (L-AmB, AmB
Define some adverse effects of saponins? The adverse effects of saponins may be described as under: - A well-known toxic effect is 'erythrocyte lysis' since they interact wi
main external morphological feature that differentiates platyhelminthes from nematodes
name the excretory ogran and waste product formed in various types of animals
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