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Fertilization - Development Biology
Previously you knew the process which leads to the differentiation of the male and female germ cells, the sperm and ova, respectively. In this section we shall describe the process by which the sperm and the egg unite to form a zygote. This process is known as fertilization. Fertilization results in
Activation would essentially mean that a sequence of metabolic and morphological changes are triggered that in turn cause the division of a unicellular zygote into a multicellular organism. Mostly we will describe the fertilization in mammals with occasional references to sea urchins. It is true that depending upon the habitat as well as the life styles there may be variations in the fertilization process in diverse organisms. But generally the events of fertilization are more or less similar in many different organisms. Prior to the actual fusion of the sperm and the egg nuclei, the germ cells prepare themselves for the fertilization process.
What are protein hydrolysates? Proteins that have been treated with enzymes to break them down into amino acids or shorter peptides are referred to as protein hydrolysates.
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when pollen tube enters the embryo-sac,it has;
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Why is it necessary to have the second division in meiosis even though cells have already been reduced to haploid number after the first division?
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Define the Food System in space? Mercury (1961-1963) astronauts had to eat bite-sized cubes, freeze dried powders, and semi liquids stuffed in aluminium tubes. For most asbonau
Write functions of epithelial tissue
Total Artificial Heart : Jarvik seven was the first successful total artificial heart supporting the patient for 112 days. The disadvantage is that the patient has to be connecte
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