In this article we will discuss about the three main biochemical pathways of major wall component formation. The biochemical pathways are: 1. Polysaccharides 2. Protein 3. Lignin. Biochemical Pathway # 1. Polysaccharides: They are synthesized from sugar nucleotides by polysaccharide synthases (Glycosyltransferase). The monosaccharides glucose, galactose, mannose, xylose, arabinose, glucuronic acid, galacturonic acid and fucose […]
Biochemical Pathways of Major Wall Component Formation | Plant Cell
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Vegetative Shoot Apex Found in Plants: 3 Types | Botany
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The following points highlight the three main types of vegetative shoot apex found in plants. The types are: 1. Monoplex Apex 2. Simplex Apex 3. Duplex Apex. Type # 1. Monoplex Apex: Ex. cryptogamic vascular plants. Continuing meristematic residue occurs in the superficial layer only. It may consist of more than one cell provided a […]
Top 3 Theories of Shoot Apical Meristem | Plants
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The following points highlight the top three theories of shoot apical meristem. The theories are: 1. Apical Cell Theory 2. Histogen Theory 3. Tunica-Corpus Theory. 1. Apical Cell Theory: Nageli in 1944 advocated this theory. According to this theory the apical meristem consists of a single apical cell (also called apical initial) and this cell […]
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