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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.
Q. How is HIV transmitted? What is the disease caused by this virus? The HIV (human immunodeficiency virus) is supposed to be transmitted through blood, semen, vaginal secretio
poor metabolism phenotype will have
Peripatric Speciation Speciation by small populations isolated on the periphery of the distribution of the parent population can be described as peripatric speciation. Small, pe
Define Ion exchange chromatography? In this method a reversible exchange of ions is effected. Usually resins and ionic solutes are the two components involved in ion-exchange.
Q.How is it produced and what is the function of gastrin in the digestive process? The existence of food in the stomach stimulates the secretion of gastrin that in its turn tri
What are the target organs upon which insulin and glucagon act? Glucagon mostly acts upon the liver. Insulin acts in general upon all cells. Both also act upon the adipose tiss
#question.what are the organs of respiration in the lwer form of animals .
What is the function of glucose-6-phosphatase? a) catalyze removal of one phosphate group from glucose b) catalyze removal of six phosphate groups from glucose c) catalyze the remo
Why is sub-culturing essential in plant tissue culture? Explain the process of heterosis. How is it dissimilar from inbreeding depression? Where and how is urea produced in
Q. What is Angina Pectoris? Chest discomfort is often reported by most patients especially those which are chronic cases of dyslipidemia and/or hypertension. Like diarrhoea and
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