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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.
Two compartments of equal volume of physiological saline are divided by a membrane permeable only to oxygen. At 1 AM, equal amounts of oxygen are dissolved into both left and
The various organs involved in the digestion process are: Alimentary tract which includes mouth, pharynx, esophagus stomach, small intestine, large intestine, appendix, rec
It is an inexhaustible and population free source of energy. This energy maintains temperature of the earth. It causes current in the atmosphere and in ocean. The total solar energ
Cholera The risk of infection with cholera is very low in tourists. The parenteral vaccine licensed in the US is no longer available. One oral vaccine called Dukoral is availa
Q. How does poliomyelitis affect the neural transmission in the spinal cord? The poliovirus destroys and parasites spinal motor neurons causing paralysis of the muscles that de
Catalysts are substances that decrease the activation energy of a chemical reaction, facilitating it or making it energetically viable. The catalyst enhances the speed of the chemi
What is intracellular digestion? Intracellular digestion, or cellular digestion, is the breaking in the interior of the cell of big molecules coming from outside or even from i
Characteristics of Soil Profile The profile characteristics studied in the field consist of locating the soil hor izons (based on its colour description that includes the col
Q. Water has key participation in organic reactions. What are examples of two types of organic reactions in which water is respectively incorporated or liberated in the products of
name the sturcture formed when the male and female nuclei fuse during fertilisation.
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