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Embryo - Pollen Biology
The suspensor cells of young embryos of Tropaeolum majus show that the activity of acid phosphatase increases from micropylar to chalazal pole. The concentration of 6-PGDH and G6PDH is high in very young embryos of Lilium regale By globular stage the activity decreases considerably. Implicit in these results is the fact that different regions of embryo would provide some explanation of different embryogenic processes.
Also, a marker system can be established for identifying differentiating areas in the developing embryos. What is needed is the uniformity of the enzyme system being explored in different climatic conditions which may affect metabolic processes thus influencing the sexual cycle. This may lead to detection of variations in developmental sequences or abnormalities so often reported in the literature.
Define Factors that Affecting the Calcium Absorption? It is a well known fact that the amount of calcium that we eat need not be the amount of calcium that gets absorbed. The d
Q. What are mycotoxins? How are these produced and where are these found? Are these naturally-occurring or produced? What is their significance? First what are mycotoxins?
Define the Fehling's Soxhlet method (Lane-Eynon method)? This is a titrimetric method that is commonly used in food laboratories to estimate percentage of reducing sugars and t
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Define Future challenges of management of renewable resources? In response to past shortcomings in a few fisheries management, and to dealing with other conservation goals
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Composition of agar Agar we learnt consists of a mixture of agrose and agropectin. Agrose has a linear polymer structure consisting of alternating D-galactose and 3,6-anhydro
10 organisms &there mode of nutrition
Divisions of Meiosis: Meiosis is characterized by two nuclear divisions, meiosis I and meiosis II. • The first division is a reduction division. • The second meiotic divis
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